Update ChangeLog and README with new strdupa()

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

ChangeLog.md

@@ -3,6 +3,14 @@ Change Log
 
 All notable changes to the project are documented in this file.
 
+[v1.7.0][] - UNRELEASED
+-----------------------
+
+### Changes
+
+- Add support for GNU `strdupa()`, for [Inadyn][] on NetBSD.
+
+
 [v1.6.0][] - 2016-05-13
 -----------------------
 
@@ -179,6 +187,7 @@ Initial extraction of frog DNA from [Finit][].  See [README][] for API details.
 [v1.1.0]: https://github.com/troglobit/libite/compare/v1.0.0...v1.1.0
 [v1.0.0]: https://github.com/troglobit/libite/compare/TAIL...v1.0.0
 [Finit]:  https://github.com/troglobit/finit/
+[Inadyn]: https://github.com/troglobit/inadyn/
 [Mg]:     https://github.com/troglobit/mg
 [README]: https://github.com/troglobit/libite/blob/v1.0.0/README.md
 

README.md

@@ -282,6 +282,17 @@ Generic Functions
   set.  The `path` argument should be a directory.
 
 
+GNU Functions
+-------------
+
+The following are useful GNU functions, that do not exist on *BSD, and
+some other platforms.
+
+- `strdupa(str)`
+
+  http://man7.org/linux/man-pages/man3/strdup.3.html
+
+
 OpenBSD/NetBSD/FreeBSD Functions
 --------------------------------