Version bump to 0.1.1.pre
Cleaned up ambulatory blood pressure display names
Cleans up the physical measurements display names
Updates the specific tropnin subunit that is tested for in Abbott tests
Generally cleans up biochemical display names
Cleans up ECG display names and adds improved variable descriptions where appropriate
Updates valid units to include degrees
Cleans up variable display names for embletta variables
Removes physical measurements prefix from variable display names
Cleans up display names for questionnaires
Pulls in updates from v0.1.1 branch