Fixed grammatical error.
Added the two missing flags: --options (list_options) and --version.
They will take any content as an argument to display their output.

Expanded one of the options to use the new append and/or prepend flags.
Updated key cipher and compression preferences.
Added TWOG option.
Minor updates.
Changed -o to -O in preparation for writing output to a file if desired (e.g. to generate tagline files).
Merge pull request #49 from Hasimir/master

some updates