Released 1.4.2
Updated the version string for the RC
Changed the version number to 1.5.0.0

This is the 1.5.0.0 release
Version Number Change

Changed the version numbers so that we can start dogfooding the next
release in the staging branch
Fixes

- Insert mode code needed to be updated so that the F# 2.0 compiler
could handle the event subscription
- Trace code was incorrectly passing `null` for an empty array