I changed the action from the search button to a key released. I think
it's cooler, but if you guys don't like we can use the old listener. No
worries.
I changed the way I do the comparison to take existing categories in
order to fix the error presented by Nickel.
I realized that ingredient was with the same error as category, but now
I fixed it.
Merge branch 'master' of https://github.com/elderferreiras/Recipe.git
Updated code.