separated query execution and printing results functions

actually fixed the function do_recipes_using

honestly i dont know

added ability to view recipes that use specified ingredients

Update README.md

added some getter and setter methods blah

taking another break

takin a break

Merge branch 'master' of https://github.com/juny0/grocery-optimiser

added cli prompts for adding a recipe

updating README

added sqlite3 shell for mac

renamed database file

added db file

updating