group research methods and nums commas solo done
create group, nums commas, cipher
week 4 changes
Merge branch 'master' of https://github.com/mameneses/phase_0_unit_2

Conflicts:
	week_4/3_group_research_methods/my_solution.rb
	week_4/4_nums_commas_solo_challenge/my_solution.rb
	week_4/5_pad_array/my_solution.rb
	week_4/6_cipher_challenge/my_solution.rb