Updated pattern_create.rb to be more consistent other tools and modules in Metasploit. Provided a usage example for undocumented custom set feature that allows removal of bad characters.
Usage: ./pattern_create.rb [options]
Example: ./pattern_create.rb -l 50 -s ABC,def,123
Ad1Ad2Ad3Ae1Ae2Ae3Af1Af2Af3Bd1Bd2Bd3Be1Be2Be3Bf1Bf
Specific options:
-l, --length <length> The length of the pattern
-s, --sets <ABC,def,123> Custom Pattern Sets
-h, --help Show this message
x90" * 365