Removed ATLER & Rats
Removed Atler & Rats form Parser
Merge branch 'master' of https://github.com/software-engineering-amsterdam/sea-of-ql.git
Removed grammer bugs
Merge branch 'master' of https://github.com/software-engineering-amsterdam/sea-of-ql.git
added andexpr
Merge branch 'master' of https://github.com/software-engineering-amsterdam/sea-of-ql.git