Improve linking and scene control
Abstract the scene/group command (ALL-Link Commands), closes #5
Added Queueing test cases
Add scene functions to documentation
Initial Thermostat support and refactoring
Initial promise refactoring (base Insteon commands and new thermostat commands)
Promise refactoring for linking and scene function
Promise refactoring for light functions
Added thermostat test cases and correcting thermostat commands that failed
Addtion error handling
Fix typo
Updated for 0.4 release
version bump - v0.4.0
Final edits for 0.4
v0.4.0 Release