Issue #717:: Fix finding libpython.so on Ubuntu 13.04.
Clean: Update changelog.
Merge remote-tracking branch 'upstream/develop' into develop
Fix: Running tests with PyInstaller installed by pip.
Issue #717: Wrap import sysconfig in try/except block.
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	doc/CHANGES.txt
	tests/runtests.py
Clean: Update credits.txt.
Fix: Check for sqlite3 module for test libraries/test_sqlite3.
Merge pull request #68 from matysek/develop

Fix looking for libpython on recent Ubuntu and update changelog.