spec added and loan spec setup
finished adding tests for this iteration

closes #51
spec added and loan spec setup

finished adding tests for this iteration

closes #51
Merge branch '51_create_loan_spec' of https://github.com/bayendor/the_pivot into 51_create_loan_spec
Merge pull request #57 from bayendor/51_create_loan_spec

Create loan spec
category and loan request specs for relationships
fixed the loan request spec and removed the validation for category_id
fixed a quick merge conflict and everything up to date