Bump project version to 0.3.0

Version 0.3.0 contains handling for additional path-based version
specifiers in yarn.lock.

Signed-off-by: Taylor Madore <tmadore@redhat.com>

Bump to version 0.2.0

Signed-off-by: Adam Cmiel <acmiel@redhat.com>

Prepare for 0.1.3 release

Signed-off-by: Adam Cmiel <acmiel@redhat.com>

Add .dependencies dict on Package class.

Signed-off-by: Dan Sully <dan+github@sully.org>

Prepare for 0.1.1 release

Signed-off-by: Adam Cmiel <acmiel@redhat.com>

Prepare for pyarn-0.1.0 release

Signed-off-by: Athos Ribeiro <athos@redhat.com>