Changelog
---------

	- (0.4)
        - Fixes #7 (removed deprecation warning)
        - Addresses #9 (better memory consumption)
        - Added "show_progress" parameter to LiftOver (prints a tqdm progress bar, requires a separate `pip install tqdm`)
    - (0.3) Python 2.6 & Python 3 compatibility. Added Travis-CI.
    - (0.2) Fixes issue #1
    - (0.1) Initial version, basic single-point coordinate conversion.