move find_by_#{ivar} methods to CrudFunctions
environment works, removed all pry requires
test and implement ./game remove
Game update test and implementation
minor typo fix in user stories
Game find_by_players test, also missed update test
listing games by number of players works
change tests to use rspec boolean method operators
Friend model unit tests
Friend model implementation
Game.errors made read-only
refactor create_methods to be more modular, add to Friend
Play model unit tests
correct Play unit test errors
Play model implemented