Add early draft of documentation. Putting up on http://rolne.readthedocs.org
Merge branch 'release/0.2.1'
Added renumbering support to rolne. version to 0.2.2
version upped to 0.2.2
Merge branch 'release/0.2.2'
bug fix and added 'serialize_name' method. v0.2.3
Added 'renumber' method. Added dup handling to seq tracking. Add retain_seq to 'extend' method.

Version is now 0.2.4. Putting up on pypi.
first bit into deserialize method
Added __version__ and __version_info__ attributes.
Merge branch 'feature/feature/deserialize' into develop