Cloning states before messing with their options

Fixes framer/company#2810

framer/LayerStateMachine.coffee

@@ -39,7 +39,7 @@ class exports.LayerStateMachine extends BaseClass
 
 		# Prep the properties and the options. The options come from the state, and can be overriden
 		# with the function arguments here.
-		properties = @states[stateName]
+		properties = _.clone(@states[stateName])
 		options = _.defaults({}, options, properties.options) if properties.options
 
 		stateNameA = @currentName

test/tests/LayerStatesTest.coffee

@@ -543,6 +543,21 @@ describe "LayerStates", ->
 						layer.states.current.name.should.equal "default"
 						done()
 
+		it "should listen to animation options defined in a state", (done) ->
+			layer = new Layer
+			layer.animationOptions.time = 0.1
+			layer.states.testA = {x: 200, options: curve: "spring"}
+			cycle = layer.stateCycle onEnd: ->
+				layer.states.current.name.should.equal "testA"
+				cycle2 = layer.stateCycle onEnd: ->
+					layer.states.current.name.should.equal "default"
+					cycle3 = layer.stateCycle onEnd: ->
+						layer.states.current.name.should.equal "testA"
+						done()
+					cycle3.options.curve.should.equal "spring"
+				cycle2.options.curve.should.equal "ease"
+			cycle.options.curve.should.equal "spring"
+
 	describe "Switch", ->
 
 		it "should switch", ->