Analyser: Dont allow symbols with same name as package
FIX: print array size in type
FIX for C-generation
Codegen: generate IR for arrays of integers
Codegen: add alignment to Global Vars
Codegen: set Global as constant if constant
Codegen: add padding in arrays where needed
Refactor: moved helper function to Type
TESTS: added Codegen tests for VarDecls and Arrays
Codegen: properly initialize array vardecls without init expr
CodeGen: generate init code from const ints
cleanup