Merge pull request #25 from jgmdev/premake

Renamed os.host to os.gethost
Updated wxAdv and wxCore files.
Merge branch 'premake' of github.com:redtide/wxWidgets into premake
Merge pull request #26 from jgmdev/premake

Improved os.sizeof to return values depending on target if bits are indi...
Merge pull request #27 from jgmdev/premake

Replaced newoption with wx.add.feature and some other changes.
Temporary changes.
Added wx-config options.
Added some missing wx-config option descriptions.