Changed newAssign to create.
Removed list from parameters, use only binary relations.
Convert expressions to Stmt, pattern matching function
Replaced println of unknown structures with asserts + moved to different
folder
Moved folder util from ast to converter
Fixed the way infix handles environment, the outcome of lhs is given to
rhs
Changed location and simplified the environment
Changed location and made it compatible with the new functions
Changed Location
Minor changes, spelling mistakes typos
removing stmt extraction to the appropriate files
Statements is missing structures, throw still needs work