Add Visual Studio 2008 project files. Fix is_end boolean loop variabl…

…e was actually set to true if an iterator did not point to the end. Fix that some ifstream/ofstream variables needed namespace resolution because of the ifstream in boost filesystem.

Update README.md

Updated tests after solving the bug where extractheaders was generati…

…ng the precompiled header at the wrong path if it not existed before

Solved crash when --excluderegexp was not specified due to initializi…

…ng a regexp with an iterator to a string that may be pointing to end()

Update README.md

Update README.md

Replace $(Configuration) with configuration-specific value in filepaths

Solved race condition when accessing input.vcxproj as that variable

has to be captured by value in the lambda that processes the vcxproj

Added --singlecore option to prevent pct from spawning multiple threads

Clarified usage of --includeheader