ENH: Using lex-based tokenizer and a simple recursive-descent parser in place of the old hand-coded parser for CMake listfiles.

ENH: Improved error messages when source tree does not have a CMakeLists.txt file.  No matter how many cases we check, there always seems to be a user that finds a case that gives a confusing error message...

ENH: Removed pipe selection argument from WaitForData method in kwsysProcess.  This greatly simplifies its use.

BUG: Process startup-info struct dwFlags were being set incorrectly due to a change in statement order.

ERR: Some platforms define stdin, stdout, and stderr as macros.  Renaming these symbols to StdIn, StdOut, and StdErr.

ENH: Merged changes from KWSys-MultiProcess-bp to KWSys-MultiProcess-b2t-1-mp to main tree.  This introduces support for process pipelines.

ENH: Adding implementation of shared library version support on UNIX.  This addresses the feature request described in bug#32.

ENH: Adding implementation of shared library version support on UNIX.  This addresses the feature request described in bug#32.

ENH: Adding implementation of shared library version support on UNIX.  This addresses the feature request described in bug#32.

BUG: Do not use std::string to accumulate output.  Use std::vector instead.  This is much better at memory management.

BUG#266: Added cygwin names for the library.  Module now documents output as PYTHON_LIBRARIES instead of PYTHON_LIBRARY.