Add tojson method

Fixes geocoder-php#101

Merge branch 'master' of github.com:geocoder-php/GeocoderLaravel

# Conflicts:
#	composer.json

Merge branch 'release/4.0.10'

Update changelog

Add work-around for Lumen

Fixes geocoder-php#124

Merge branch 'release/4.0.7'

Update changelog

Merge branch 'master' of github.com:geocoder-php/GeocoderLaravel

Update config to read locale from .env, add descriptions

Fixed geocoder to not cache if results are empty