Lots O' Changes:

Removed _no_encode functions,
Fixed scanlines() not reading last line,
Fixed trailing new line returned by scanlines(),
Added (possible) Py 2.6, 2.7, and PyPy support,
Added block on Python 2.5 or lower,
Added Python version display,
Changed shebang (hashbang) line to support Python 2.x,
Updated testusage.py,
Added Python 2.6, 2.7, and PyPy support to Travis CI