Log Message:
Changes 0.16

New features:
* 466: Improve handling of completion box height.

Fixes:
* Fix various spelling mistakes.
* 601: Fix Python 2 issues on Windows.
* 614: Fix issues when view source.
* 625: Fix issues when runnings scripts with non-ASCII characters.
* 639: Fix compatbility issues with pdb++.

Support for Python 2.6 has been dropped.