Normalizing defaults

Normalizing support for baud rates across the library, normalizing defaults across the library
Normalizing baud rate support and defaults

Added support for WIN32 platform (though it probably won't ever be used with this...)
Maintianing cross-platform convention
Update SerialStreamBuf.h
Fixing order
Merge pull request #1 from h3rb/master

Normalizing support for modern baud rates