leetify 0.0.3

This gem can take in strings and return a string back in Leet language. Leet language is nothing but using number and other symbols instead of a particular alphabet that looks like the alphabet in some way. Ex - Z -- 2, S --5, i -- ! and so on. Leetify gem can be used to generate easy to remember passwords. Just give a simple phrase leetify it an use it as passwords ;)