Added create_edges() method description

Pushed new version 0.2.0

Removed PyCURL import for python 3.x

Added changelog, updated version

Increased version, updated README

Finished support of Python 3.3, improved tests infrastructure

Fixed compare mixin for Arango 1.2x, added arango version to document…

…ation

Dumped version 0.1.4: improved requests-based client

Fixed issue with missing README.md

Updated version to 1.1.1 with minor docs changes