wip
Rip exception classes
Properly fail test
Capture Parslet's ascii_tree in Rip::Exceptions::SyntaxError
Deal with custom error types
Track location and call stack when raising exceptions
Mutate Rip::Utilities::Scope
Interpret Rip::Nodes::BlockBody in a new context
Rip::Nodes::Lambda needs a reference to surrounding context
Outdent Rip::Utilities::Scope
Typo fix
WIP First pass at Rip::Compiler::Driver
Rename Rip::Nodes::Class#{superclasses,ancestors}
Remove pointless method Rip::Nodes::String#initialize
Stub in core classes
Typo fixes
Remove Rip::Nodes::Base#interpret
Interpret Rip::Nodes::{Character,Integer,String}
Deal with strings
First pass at reference assignment and parameter-less invocation