gravitext-util version 1.3.1 has been released!

A collection of core java utilities with ruby adapters for JRuby.

* A concurrent (thread safety) testing facility for java JUnit,
ruby Test::Unit, or other test harnesses.

* A concurrent performance testing facility for java/JRuby with simple
test wiring in ruby.

* A Heterogeneous Type-safe Map implementation in java.

* A set of core java utility classes (resizable buffers, a stopwatch,
SI unit formatting, fast random number generator), in support of the
above and of general utility.

Changes:

### 1.3.1 (2009-8-2)
* ResizableByteBuffer.putFromStream break on zero length read.
* Add ConstrainedInputStream.
* Use rdoc 2.4.3 and hoe 1.12.2 for build.