Encryption: Help, Menus, Encrypter, Scanner, Cmd

Help
1) Changed output
2) Added help for standard functions (help, reclean, back, exit)
3) Rearranged default values
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Scanner
1) Now catches exceptions from Encrypter::EncryptedFile() constructor
2) --deep|-d option now works correctly
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Menus
1) Fixed minor issues
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Command-line
1) Recoded parser
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Encrypter
1) Implemented OFB and CFB
2) Fixed a bug, where the constructor of encrypted file interprets
HashingType byte as byte of EncryptedAlgorithm.