Change composer commands
Update email and add homepage
Require php-coveralls on travis only
Update coveralls badge
Update year
Extend keywords
Use flat style for coveralls badge
Change minimum-stability to dev
Add first batch of dql functions
Fix version related errors
Fix linestring
Always use WKT for comparision
Revert "Fix linestring"

This reverts commit 8456d683222d27217ef5fb04697e7af215bea296.