Merge pull request #32 from thinkthroughmath/MATH-7889-fix-error-if-missing-right-parenthisis

MATH-7889 - TypeError in Lesson Player - e.last is not a function

Author: pratiktech9

dist/javascript-calculator.js

@@ -195,6 +195,7 @@ var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ?
       var answerText, expText;
       this.typeLastPressed = "equals";
       expText = this.element.find("figure.jc--display").html();
+      this.updateCurrentExpressionWithCommand(this.math.commands.build_exit_sub_expression());
       this.updateCurrentExpressionWithCommand(this.math.commands.build_calculate());
       this.reset_on_next_number = true;
       answerText = this.element.find("figure.jc--display").html();
@@ -689,5 +690,5 @@ var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ?
 
 }).call(this);
 
-},{}]},{},[1,2,3,4])
+},{}]},{},[1,4,3,2])
 ;