Added FileFunctionsTest.cs.
Added FileFunctionsTest.cs.

cgourlay/nantcontrib,dahmage/nantcontrib,nant/nantcontrib,dahmage/nantcontrib,nant/nantcontrib,rmboggs/nantcontrib,nant/nantcontrib,dahmage/nantcontrib,rmboggs/nantcontrib,cgourlay/nantcontrib,rmboggs/nantcontrib,cgourlay/nantcontrib