Hstore empty string tests
Use pg-hstore for hstore parsing
Removed no longer supported nested hstore objects from tests. Improved hstore array handling.
Update pg-hstore
Merge fix
Update json test expectation
Update changelog with BC breaking hstore change
Remove unnecssarily asynchronous tests
Promisify tests
More promises
Text fix
Use the new beta build env on Travis

caching is enabled
faster vms
faster boot times
(docs coming soon)
Merge pull request #2553 from joshk/patch-1

Use the new beta build env on Travis
Merge pull request #2295 from seth-admittedly/feature/hstore-test

Use pg-hstore for improved hstore handling
#2338 - Associations remove[AS][plural]
Merge pull request #2560 from simong/remove-multiple

#2338 - Associations remove[AS][plural]
Update README.md
Merge remote-tracking branch 'upstream/master'

Conflicts:
	changelog.md