Import of files that have @,%,#, or * in filename

[ermshiperete]

The characters @, %, #, and * have special meaning in P4 and get translated to the ASCII representation. On import these values need to be converted back to the real character.

See http://www.perforce.com/perforce/doc.current/manuals/cmdref/o.fspecs.html

[gamepoet]

I added pull request that fixes this issue: #22.