Issue #85: Change exception syntax for Python 3.
Issue #85: Put parenthesis around print statements.
Issue #85: Python 3 compatibility for file PyInstaller/compat.py.
Issue #85: Python 3 compatibility for file PyInstaller/build.py.
Issue #85: Python 3 compatibility for file PyInstaller/loader/pyi_*archive.py.
Issue #85: Some fixes in Python 3 compatibility, comment out old code.
Issue #85: Update version of bundled libraries: altgraph 10.2, junitxml 0.7, customized modulegraph.
Issue #85: Fix test runner for Python 3.
Issue #85: Fix running subprocesses in PyInstaller for Python 3.