[Truffle] Limit size of megamorphic method cache and stop warning about it.
[Truffle] Make slow path send print a big warning.
[Truffle] Use proper dispatch for some method missing corner cases.
[Truffle] Move the proc that can be created from symbols into a specific node.
[Truffle] Fast patch dispatch for procs created from symbols.
[Truffle] Fix #inspect on true and false.