Python3.3: Redone "PyGen_Send" with own code, this interacts with CPython non-compiler generators in Python3.3
Complete changelog for release.
Windows: Don't use hard coded paths for Python installation in release checks as well.
Windows: The unknown encoding error fix is not on latest Windows build.
Windows: Need to have PYTHONPATH to load pyd files successfully.
Windows; Fix, don't use source name for resource file creation, for MSVC it must not contain dashes.

Plus a fixed filename is perfectly OK to use, no need to make it different
for every program.
Fix, do not hardcode path to Python installation. Corrects Issue#103.

* Derive from running Python "sys.prefix" instead.

* Cannot use distutils as it's not everywhere.

* This assumes that "lib" and "include" directories are not moved as well.
Windows: Fix, there main be more than one thread using generators.
Windows: Remove warnings given by "rc" compilation step.

* These warnings are about standard library, and are new in Visual
  Studio 2010
Windows: Also allow variable Python installation paths when fixing up
outputs.
Windows: Use cp850 to decode program output on that platform.
Tests: Updated to latest state
Describe the important fixes in release phase also in changelog
New stable release.
Merge branch 'release/0.4.5' into develop
New release cycle.