Release share v0.4.0v0.4.0

===  New Features

*  `email`: new package for working with Internet Message Format (RFC 5322)
*  `email/dkim`: new package for parsing and creating DKIM signature
   (RFC 6376)
*  `email/maildir`: new package to manage email using maildir format

===  Enhancements

*  `bytes`
**  add function to copy slice
**  add function to convert hexadecimal into byte

*  `dns`
**  add mapping of connection types and its names
**  print the section question type by string
**  add method to filter Message.Answer by specific query type
**  add pool for UDP client
**  add function to get list of system name servers
**  make UDPClient Query routine safe
**  increase the internal debug level from 2 to 3

*  `http`
**  add the charset type to content-type "text/plain"
**  listen and serve using TLS if TLSConfig is defined
**  add method to temporary redirect request to other location

*  `ini`
**  unexport the reader
**  add method to get all variable values with the same key

*  `io`
**  rename Reader SkipSpace to SkipSpaces
**  refactoring, export all fields for easy access on Reader
**  add method read one line with line feed
**  add method to unread N characters on Reader
**  optimize ReadUntil without append
**  add method to return the rest of unreaded buffer on Reader
**  return the character separator that found on SkipUntil

*  `memfs`
**  add method to dump files as Go generated source
**  add variable for allowing bypass file in memory

*  `smtp` (work in progress)
**  rename StorageFile to LocalStorage
**  implement server with local handler
**  add prefix Mail to methods in Storage interface
**  use different port between normal listener and TLS listener

*  `time`:  add function to get micro seconds

===  Fixes

*  all: fix the usage of "iota"
*  `dns`: fix creating new UDP/TCP client without port number
*  `memfs`: check for empty directory on Mount

1 files changed, 73 insertions, 65 deletions

diff --git a/README.html b/README.html
index 13bec96a..95eb9935 100644
--- a/README.html
+++ b/README.html
@@ -57,143 +57,151 @@ multilines "/*\*/" comment into single line "//" format.</p>
 <div class="ulist">
 <ul>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/bytes" target="_blank" rel="noopener"><strong>bytes</strong></a>: Package bytes provide a library for
-working with byte or slice of bytes.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/bytes" target="_blank" rel="noopener"><strong>bytes</strong></a>: A library for working with slice of
+bytes.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/contact" target="_blank" rel="noopener"><strong>contact</strong></a>: Package contact provide a library
-to import contact from Google, Microsoft, and Yahoo.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/contact" target="_blank" rel="noopener"><strong>contact</strong></a>: A library to import contact from
+Google, Microsoft, or Yahoo</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/dns" target="_blank" rel="noopener"><strong>dns</strong></a>: Package dns implement DNS client and
-server.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/dns" target="_blank" rel="noopener"><strong>dns</strong></a>: A library for working with Domain Name
+System (DNS) protocol.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/dsv" target="_blank" rel="noopener"><strong>dsv</strong></a>: Package dsv is a library for working with
-delimited separated value (DSV).</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/dsv" target="_blank" rel="noopener"><strong>dsv</strong></a>: A library for working with delimited
+separated value (DSV).</p>
+</li>
+<li>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/email" target="_blank" rel="noopener"><strong>email</strong></a>: A library for working with Internet
+Message Format as defined by RFC 5322.</p>
+<div class="ulist">
+<ul>
+<li>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/email/dkim" target="_blank" rel="noopener"><strong>dkim</strong></a>:  A library to parse and create
+DKIM-Signature header field value, as defined in RFC 6376.</p>
+</li>
+<li>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/email/maildir" target="_blank" rel="noopener"><strong>maildir</strong></a>: A library to manage email
+using maildir format.</p>
+</li>
+</ul>
+</div>
 </li>
 <li>
 <p><a href="https://godoc.org/github.com/shuLhan/share/lib/errors" target="_blank" rel="noopener"><strong>errors</strong></a>: Package errors provide an error
 type with code.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/git" target="_blank" rel="noopener"><strong>git</strong></a>: Package git provide a wrapper for git
-command line interface.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/git" target="_blank" rel="noopener"><strong>git</strong></a>: A wrapper for git command line interface.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/http" target="_blank" rel="noopener"><strong>http</strong></a>: Package http implement custom HTTP
-server with memory file system and simplified routing handler.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/http" target="_blank" rel="noopener"><strong>http</strong></a>: Custom HTTP server with memory file
+system and simplified routing handler.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/ini" target="_blank" rel="noopener"><strong>ini</strong></a>: Package ini implement reading and writing
-INI configuration as defined by Git configuration file syntax.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/ini" target="_blank" rel="noopener"><strong>ini</strong></a>: Implement reading and writing INI
+configuration as defined by Git configuration file syntax.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/io" target="_blank" rel="noopener"><strong>io</strong></a>: Package io provide a library for reading and
-watching file, and reading from standard input.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/io" target="_blank" rel="noopener"><strong>io</strong></a>: A library for reading and watching file,
+and reading from standard input.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/memfs" target="_blank" rel="noopener"><strong>memfs</strong></a>: Package memfs provide a library for
-mapping file system into memory.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/memfs" target="_blank" rel="noopener"><strong>memfs</strong></a>: A library for mapping file system
+into memory.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining" target="_blank" rel="noopener"><strong>mining</strong></a>: Package mining provide a library
-for data mining.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining" target="_blank" rel="noopener"><strong>mining</strong></a>: A library for data mining.</p>
 <div class="ulist">
 <ul>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/classifier/cart" target="_blank" rel="noopener"><strong>classifier/cart</strong></a>: Package
-cart implement the Classification and Regression Tree by Breiman, et al.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/classifier/cart" target="_blank" rel="noopener"><strong>classifier/cart</strong></a>:
+Implementation of the Classification and Regression Tree by
+Breiman, et al.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/classifier/crf" target="_blank" rel="noopener"><strong>classififer/crf</strong></a>: Package
-crf implement the cascaded random forest algorithm, proposed by Baumann
-et.al in their paper: Baumann, Florian, et al.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/classifier/crf" target="_blank" rel="noopener"><strong>classififer/crf</strong></a>:
+Implementation of the Cascaded Random Forest (CRF) algorithm, proposed by
+Baumann, Florian, et al.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/classifier/rf" target="_blank" rel="noopener"><strong>classifier/rf</strong></a>: Package rf
-implement ensemble of classifiers using random forest algorithm by Breiman
-and Cutler.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/classifier/rf" target="_blank" rel="noopener"><strong>classifier/rf</strong></a>:
+Implementation of ensemble of classifiers using random forest algorithm by
+Breiman and Cutler.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/gain/gini" target="_blank" rel="noopener"><strong>gain/gini</strong></a>: Package gini contain
-function to calculating Gini gain.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/gain/gini" target="_blank" rel="noopener"><strong>gain/gini</strong></a>: A library to
+calculate Gini gain.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/knn" target="_blank" rel="noopener"><strong>knn</strong></a>: Package knn implement the K
-Nearest Neighbor using Euclidian to compute the distance between samples.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/knn" target="_blank" rel="noopener"><strong>knn</strong></a>: Implementation of the K
+Nearest Neighbor (KNN) using Euclidian to compute the distance between
+samples.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/math" target="_blank" rel="noopener"><strong>math</strong></a>: Package math provide generic
-functions working with mathematic.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/math" target="_blank" rel="noopener"><strong>math</strong></a>: A library for working with
+mathematic.</p>
 </li>
 <li>
 <p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/resampling/lnsmote" target="_blank" rel="noopener"><strong>resampling/lnsmote</strong></a>:
-Package lnsmote implement the Local-Neighborhood algorithm from the paper,
+Implementation of the Local-Neighborhood algorithm from the paper of
 Maciejewski, Tomasz, and Jerzy Stefanowski.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/resampling/smote" target="_blank" rel="noopener"><strong>resampling/smote</strong></a>: Package
-smote resamples a dataset by applying the Synthetic Minority Oversampling
-TEchnique (SMOTE).</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/resampling/smote" target="_blank" rel="noopener"><strong>resampling/smote</strong></a>:
+Implementation of the Synthetic Minority Oversampling TEchnique (SMOTE).</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/tree/binary" target="_blank" rel="noopener"><strong>tree/binary</strong></a>: Package binary
-contain implementation of binary tree.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/mining/tree/binary" target="_blank" rel="noopener"><strong>tree/binary</strong></a>: Implementation of
+binary tree.</p>
 </li>
 </ul>
 </div>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/net" target="_blank" rel="noopener"><strong>net</strong></a>: Package net provide constants and library
-for networking.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/net" target="_blank" rel="noopener"><strong>net</strong></a>: Constants and library for networking.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/numbers" target="_blank" rel="noopener"><strong>numbers</strong></a>: Package numbers provide
-miscellaneous functions for working with integer, float, slice of integer,
-and slice of floats.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/numbers" target="_blank" rel="noopener"><strong>numbers</strong></a>: A library for working with
+integer, float, slice of integer, and slice of floats.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/runes" target="_blank" rel="noopener"><strong>runes</strong></a>: Package runes provide a library for
-working with a single rune or slice of rune.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/runes" target="_blank" rel="noopener"><strong>runes</strong></a>: A library for working with slice of
+rune.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/smtp" target="_blank" rel="noopener"><strong>smtp</strong></a>: Package smtp provide a library for
-building SMTP server and client.
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/smtp" target="_blank" rel="noopener"><strong>smtp</strong></a>: A library for building SMTP server or
+client.
 This package is working in progress.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/strings" target="_blank" rel="noopener"><strong>strings</strong></a>: Package strings provide a library
-for working with string or slice of string.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/strings" target="_blank" rel="noopener"><strong>strings</strong></a>: A library for working with slice
+of string.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/tabula" target="_blank" rel="noopener"><strong>tabula</strong></a>: Package tabula provide a library
-for working with rows, columns, or matrix (table), or in another terms
-working with data set.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/tabula" target="_blank" rel="noopener"><strong>tabula</strong></a>: A library for working with rows,
+columns, or matrix (table), or in another terms working with data set.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/test" target="_blank" rel="noopener"><strong>test</strong></a>: Package test provide library for
-helping with testing.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/test" target="_blank" rel="noopener"><strong>test</strong></a>: A library for helping with testing.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/text" target="_blank" rel="noopener"><strong>text</strong></a>: Package text provide common a library
-for working with text.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/text" target="_blank" rel="noopener"><strong>text</strong></a>: A library for working with text.</p>
 <div class="ulist">
 <ul>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/text/diff" target="_blank" rel="noopener"><strong>text/diff</strong></a>: Package diff implement text
-comparison.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/text/diff" target="_blank" rel="noopener"><strong>text/diff</strong></a>: Text comparison.</p>
 </li>
 </ul>
 </div>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/time" target="_blank" rel="noopener"><strong>time</strong></a>: Package time provide a library for
-working with time.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/time" target="_blank" rel="noopener"><strong>time</strong></a>: A library for working with time.</p>
 </li>
 <li>
-<p><a href="https://godoc.org/github.com/shuLhan/share/lib/websocket" target="_blank" rel="noopener"><strong>websocket</strong></a>: Package websocket provide the
-websocket library for server and client.</p>
+<p><a href="https://godoc.org/github.com/shuLhan/share/lib/websocket" target="_blank" rel="noopener"><strong>websocket</strong></a>: Websocket library for server
+and client.</p>
 </li>
 </ul>
 </div>
@@ -320,7 +328,7 @@ files.</p>
 </div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2019-02-05 10:02:11 +0700
+Last updated 2019-03-01 10:25:38 +0700
 </div>
 </div>
 </body>