Improve error messages

In order to provide the best possible development experience, we should improve error messages to call out as much information as possible (which parameter, which field, actual/expected types, etc.) when something goes wrong.

Sub-issues:

Fixed

• #424 (fixed)
• #2901

Poor / difficult to understand messages

• #434
• https://github.com/Microsoft/ChakraCore/issues/2872

Nice-to-have improvements

• Follow up issue #2411 and PR #2648 (improved by the PR but still needs more work)