Set type of StringLiteral in ResolveVisitor
Implement String as corelib class
Implement (un)boxing of Strings
Test cases for String-constructor
Test cases for String as Object
Merge pull request #4 from lummax/boxed_string_implementation

Boxed string implementation
TCV: check Object as Array-Content-Type
Monty.g4/ASTBuilder remove deprecated operator[]

For Monty 1.0 the array-access will be done using the method get().
Remove deprecated function operator[] from Array.monty
Remove deprecated translation in NMV (operator[])
Add Array as corelib class
Remove deprecated TypeConverter.addArray()
Implement Array as Object-array
Implement (un)boxing for Arrays
CodeGenerator: change visibility of {resolve,cast}IfNeeded

These methods need to be visible in Operations later.
Operations: Implement Array.length()
Operations: Implement Array.set()
Operations: Implement Array.get()
Modify and enable old Array-Tests
Test cases for Array-constructor