v0.6: first internal release

v0.7: 
	- include IfcGuid for mapping between IFC and obXML

v0.8:
	- update the choice to sequence

v0.9:
	- Add Holidays

v1.0:
	- Add PlugLoad to space.systems and behavior.systems
	- Add Thermostat in space.systems
	- Add Thermostats in behavior.systems
	- Add SetToControlValue in InteractionType
	- Add PlugLoadType
	- Add ThermostatType

v1.1:
	- Add enumeration to RoomEventType
	- LeavingRoomMoreThan1Hour
	- LeavingRoomMoreThan6Hour

v1.2:
	- Add OutdoorRainIndicator to ParameterType
	- Add example to demo the OutdoorRainIndicator in behavior "B_W3_Rain_close"
	- Add equation "eqLogit1DQuadraticType": p = A + C / {1 + exp(-B*[log(P1)-D]}; 
	- Add example to demo the "eqLogit1DQuadraticType" equation in behavior "B_Light_Hunt_1980_Logit_1D_Quadratic"
	- Add ShadeAndBlind to space.systems and behavior.systems
	- Add ShadeAndBlindType
	- Add examples to demo the ShadeAndBlind system in behavior "B_Blind_1" and "B_Blind_2"


v1.2.1:
	- Add annotation for each element.
	
v1.3.2
	- Update the representation of meeting events. 
		* Remove the Meetings and Meeting elements from Space element.
		* Add MeetingEvent element to Space element with SeasonType, DayofWeek, MinNumOccupantsPerMeeting, MaxNumOccupantsPerMeeting, MinNumberOfMeetingsPerDay, MaxNumberOfMeetingsPerDay, and MeetingDurationProbability.
	- Redesign the occupant movement model
		* Remove the Movement element from Actions element.
		* Add MovementBehavior element to Behaviors element with SeasonType, DayofWeek, RandomMovementEvent, and StatusTransitionEvent.
	
v1.3.3
	- Add a flag (IsSpecialBehavior) to Behavior element, which can identify whether the behavior is special.
		* When the flag is set to true, the behavior is a special behavior.
		* When the special behavior is triggered, other behaviors are ignored.

v1.3.4
	- 140+ updates to make XML schema compliant with standard