Fix segfault on uv_fs_readlink() where target is not a link

Fixup package.xml

Add 0.2.3 pecl version

Prepare 0.2.2

Fix #44 - prepare 0.2.1

Prepare v0.2.0

Prepare v0.1.2

Prepare release 0.1.1

Thanks to Remi, a few package.xml fixes

Ready for PECL