v0.5.0: PowerPC support and many small bugfixes and enhancements

Merge pull request #126 from JuliaLang/nl/includes2

More header fixes

v0.4.1: Fixes for embedded architectures.

Merge pull request #68 from talex5/type_includes

[RFC] Don't use sys/types.h

v0.4: Merge pull request #65 from nalimilan/soversion

Separate SOVERSION from release version

v0.3: Merge pull request #52 from JuliaLang/release

Bump version to 0.3

Initial release

This release is to make it easier for packaging on various linux distributions, and make it possible for them to track updates to the library.