Fixes in Webcpp 0.7.6.

Webcpp 0.7.6 fixes an "Invalid I/O Mode" error when forcing filetypes. Support for Power Builder 6 was added.

The windows version also includes a tiny update for Webcpp WinGUI, to version 1.4.0.1, which makes sure that the console launches to the webcpp directory, not the current working directory.

Webcpp GnoGUI 0.3.2 has also been released, introducing language support DOS Batch, VHDL, and autodetect.