added .gitignore
initial commit after successful recompile

Scones
- updated SConstruct - updated versions
.Net 4.0
- use System.Numerics insted of Microsoft.Scripting.Math
IronPython 2.7
- added casting and dictionary wrapper
- select explicit overload for Marshal.SizeOf
pygccxml 1.6.2
- rename config_t => gccxml_configuration_t