:fire: remove unused variables
:sparkles: fix CallExpression's stamp(call type)
:sparkles: rename left-hand-expr.js -> call-expr.js
:sparkles: fix CallExpressionParser to rename internals
:sparkles: move files
:sparkles: fix to fix compiler.Scope
:sparkles: fix to change compiler.rewriter interface
:sparkles: remove dependency on Rewriter
:sparkles: fix to change lang.compiler interface