accepting dates alongside years
Merge branch 'master' into date
Throw error while parsing year to date if wrong format
Fixes https://github.com/18F/afsmallbiz/issues/51
Use regular expression to check for strict 8-digit format
Remove `year` query parameter (replaced by date)
Fixes https://github.com/18F/afsmallbiz/issues/51
Removed references to year parameter in apiary.apib
and from unit tests.
Merge pull request #17 from 18F/date

Merging, looks good, thanks!