added min and max season parameters for supported seasons
Defined class hierarchy and enum for the types of events in a given RTSS game play along with an Event factory
moved Strength(enum) definition to pbp
cleaned up base class Event
cleaned up dependencies
moved Play out of scrapr/pbp submodule into main module
factored out selection of RTSS column mappings and added a 'play description' parser
created file and put Play(object) along with Strength(Enum) in it
added blank module file
contains stand alone functions that parse RTSS play descriptions into Event data