Added general check function and ability to check anonymous functions
Added general check function and ability to check anonymous functions

dungpa/FsCheck,forki/FsCheck,forki/FsCheck,yukitos/FsCheck,paulyoung/FsCheck,paulyoung/FsCheck,vasily-kirichenko/FsCheck,ErikSchierboom/FsCheck,jhamm/FsCheck,yukitos/FsCheck,fsharp/FsCheck,ploeh/FsCheck,fscheck/FsCheck,yukitos/FsCheck,cloudRoutine/FsCheck,sideeffffect/FsCheck,fscheck/FsCheck,cloudRoutine/FsCheck,kos59125/FsCheck