Fix typo in valuesdots handling in values->tc-results
Handle ValuesDots in do-ret.
Don't try to construct silly wrappers for `apply values'
Don't use rest as list extension if it's #f
Fix tc-result handling for check-subforms/check
Add stronger contracts for Scope
Always generate substitution for infer/dots.
Fix type of `time-apply'
svn: r14815
original commit: 1047f7625d2dfa53d2896fa44fde732873d86ba4
077ec2440e