pvledoux/Pvl_increment — pull request #2 by joelkesler (2014-10-08 01:07:56+00:00)
Title: Stops an error in php 5.6.1

If this is not there, it gives an error/warning stating that it usage() cant be called statically.

"Non-static method If Pvl_increment::usage() should not be called statically, assuming $this from incompatible context"

I think I have done this correctly...