Thanks for so many thoughts.

I'm guessing my next step in Ruby will be to try that RubyGems and see 
how it works.

I like the idea where an application implements its most valuable part 
(security) as closed source and the rest is left open. If the 
application gets expected users then hopefully their contribution will 
help developping more solutions for the clients or just increase the 
application consistency.

Thanks again
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