test case for the future method syntax
add colon token for method call syntax
method call AST
parse method call
instruction for calling a method
generate code from method call AST
move std library to the library
start std.class and std.new helpers
object can implement call_method functionality
fix call_method code generation
implement call_method instruction
move tests for runtime errors to separate file
fix emitter::set_constant naming; test call_method runtime errors
test invalid jump destinations
interpreter begins to throw more useful exceptions
p0 app prints some information about a runtime error
a unit can have debug information like function names and line numbers
p0 app can print intermediate code to a file
fix: Local variable offset could be wrong when interpreter::call was used recursively
fix function id calculation in error output