Merge pull request #11 from 3ashtag/caching

Caching
Haversine added
stuff
erge branch 'develop' of https://github.com/3ashtag/phillybus-api into requests
Merge pull request #12 from 3ashtag/requests

Requests
Merge pull request #13 from 3ashtag/caching

Adds routeDirections to the database along with access code.
error fixes
Merge pull request #14 from 3ashtag/requests

error fixes
Merges develop into caching
Syncs caching with develop properly.
Adds database access method for stop longitude and latitude.