Update History.markdown

Author: Ch4s3

History.markdown

@@ -1,8 +1,13 @@
+## HEAD
+
+### Minor Enhancements
+ * Added missing parens and renamed some variables (#59)
+ 
 ## 2.0.4 / 2015-10-31
 
 ### Major Enhancements
 
- *  Classification thresholds can be enabled or disabled. The default is disabled. The threshold value can be set at initialization time or dynamically during processing (#47)
+ * Classification thresholds can be enabled or disabled. The default is disabled. The threshold value can be set at initialization time or dynamically during processing (#47)
  * Made auto-categorization optional, defaulting to false (#45)
  * Added the ability to handle an array of classifications to the constructor (#44)
  * Classification with a threshold has been added to the api (#39)