Removed all exception specifications in line with C++11 specification
accidentally added spurious project files
incremented the version number, this is now the development v3.15
Added support for Visual Studio 2017 builds, removed Visual Studio 6
clarified description especially for cloning subclass
use the new int-to-string conversions throughout
No longer supported
Summary: Added more meaningful comment to fix
Summary: Fixes for VS2008 from DJDM
removed some redundant local copies of vdprintf-like functions
