Add rspec to the project; start with simple tests on HashCache.
Make the internal cache a reader (helps with testing - feels wrong but I don't have a better solution).
Update HashCache so it doesn't store the result of the given block if it is nil
Add the .rspec file
Add spec for StreetUsePermit class.
Fixes to for the bugs in StreetUsePermit (found from adding the spec).
Add vcr gem; spec endpoints
WIP - adding the happy path spec.
Rollback the 503 test - can't get it to work correctly and I'm spending too much time on it.
Add simple JSON/GeoJSON validation rspec matcher.
Add cassette for street use permit happy path
Fix typo in vcr cassette name
Add street use permits to the index
Update the VCR config to not care about the query string.
Merge pull request #4 from mertonium/1411-add-rspec

1411 add rspec