diff --git a/bower.json b/bower.json
index fedb591..3326058 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "moment-range",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "main": "./dist/moment-range.js",
   "ignore": [
     "**/.*",
diff --git a/dist/moment-range.js b/dist/moment-range.js
index 507c423..ae05754 100644
--- a/dist/moment-range.js
+++ b/dist/moment-range.js
@@ -38,20 +38,18 @@ var INTERVALS = {
 /**
  * DateRange class to store ranges and query dates.
  *
- * @class DateRange
+ * @constructor
  * @param {(Moment|Date)} start Start of interval
  * @param {(Moment|Date)} end End of interval
- */
-/**
+ *//**
  * DateRange class to store ranges and query dates.
  *
- * @class DateRange^1
+ * @constructor
  * @param {!Array} range Array containing start and end dates.
- */
-/**
+ *//**
  * DateRange class to store ranges and query dates.
  *
- * @class DateRange^2
+ * @constructor
  * @param {!String} range String formatted as an IS0 8601 time interval
  */
 function DateRange(start, end) {
@@ -78,7 +76,7 @@ function DateRange(start, end) {
 /**
  * Constructor for prototype.
  *
- * @return {Function}
+ * @type {DateRange}
  */
 DateRange.prototype.constructor = DateRange;
 
@@ -127,7 +125,8 @@ DateRange.prototype.overlaps = function(range) {
  *
  * @param {!DateRange} other A date range to intersect with this one
  *
- * @return {DateRange}
+ * @return {DateRange} Returns the intersecting date or `null` if the ranges do
+ *                     not intersect
  */
 DateRange.prototype.intersect = function(other) {
   var start = this.start;
@@ -154,7 +153,8 @@ DateRange.prototype.intersect = function(other) {
  *
  * @param {!DateRange} other A date range to add to this one
  *
- * @return {DateRange}
+ * @return {DateRange} Returns the new `DateRange` or `null` if they do not
+ *                     overlap
  */
 DateRange.prototype.add = function(other) {
   if (this.overlaps(other)) {
@@ -190,6 +190,9 @@ DateRange.prototype.subtract = function(other) {
   else if ((start < other.start) && (other.start < other.end) && (other.end < end)) {
     return [new DateRange(start, other.start), new DateRange(other.end, end)];
   }
+  else if ((start < other.start) && (other.start < end) && (other.end < end)) {
+    return [new DateRange(start, other.start), new DateRange(other.start, end)];
+  }
 };
 
 /**
@@ -199,7 +202,7 @@ DateRange.prototype.subtract = function(other) {
  * @param {(!DateRange|String)} range Date range to be used for iteration or
  *                                    shorthand string (shorthands:
  *                                    http://momentjs.com/docs/#/manipulating/add/)
- * @param {!function(Moment)} hollaback Function to execute for each sub-range
+ * @param {!DateRange~by} hollaback Callback
  * @param {!boolean} exclusive Indicate that the end of the range should not
  *                             be included in the iter.
  *
@@ -215,6 +218,15 @@ DateRange.prototype.by = function(range, hollaback, exclusive) {
   return this;
 };
 
+
+/**
+ * Callback executed for each sub-range.
+ *
+ * @callback DateRange~by
+ *
+ * @param {!Moment} current Current moment object for iteration
+ */
+
 /**
  * @private
  */
diff --git a/dist/moment-range.min.js b/dist/moment-range.min.js
index 6d43824..cf83525 100644
--- a/dist/moment-range.min.js
+++ b/dist/moment-range.min.js
@@ -1 +1 @@
-!function(a,b){"function"==typeof define&&define.amd?define(["moment"],function(c){return a.DateRange=b(c)}):"object"==typeof exports?module.exports=b(require("moment")):a.DateRange=b(moment)}(this,function(a){function b(b,c){var d,e=b,f=c;(1===arguments.length||void 0===c)&&("object"==typeof b&&2===b.length?(e=b[0],f=b[1]):"string"==typeof b&&(d=b.split("/"),e=d[0],f=d[1])),this.start=a(e),this.end=a(f)}function c(b,c,d){for(var e=a(this.start);this.contains(e,d);)c.call(this,e.clone()),e.add(1,b)}function d(b,c,d){var e=this/b,f=Math.floor(e);if(f!==1/0){f===e&&d&&f--;for(var g=0;f>=g;g++)c.call(this,a(this.start.valueOf()+b.valueOf()*g))}}var e={year:!0,month:!0,week:!0,day:!0,hour:!0,minute:!0,second:!0};return b.prototype.constructor=b,b.prototype.clone=function(){return a().range(this.start,this.end)},b.prototype.contains=function(a,c){var d=this.start,e=this.end;return a instanceof b?d<=a.start&&(e>a.end||e.isSame(a.end)&&!c):a>=d&&(e>a||e.isSame(a)&&!c)},b.prototype.overlaps=function(a){return null!==this.intersect(a)},b.prototype.intersect=function(a){var c=this.start,d=this.end;return c<=a.start&&a.start<d&&d<a.end?new b(a.start,d):a.start<c&&c<a.end&&a.end<=d?new b(c,a.end):a.start<c&&d>=c&&d<a.end?this:c<=a.start&&a.start<=a.end&&a.end<=d?a:null},b.prototype.add=function(c){return this.overlaps(c)?new b(a.min(this.start,c.start),a.max(this.end,c.end)):null},b.prototype.subtract=function(a){var c=this.start,d=this.end;return null===this.intersect(a)?[this]:a.start<=c&&d>c&&d<=a.end?[]:a.start<=c&&c<a.end&&a.end<d?[new b(a.end,d)]:c<a.start&&a.start<d&&d<=a.end?[new b(c,a.start)]:c<a.start&&a.start<a.end&&a.end<d?[new b(c,a.start),new b(a.end,d)]:void 0},b.prototype.by=function(a,b,e){return"string"==typeof a?c.call(this,a,b,e):d.call(this,a,b,e),this},b.prototype.toString=function(){return this.start.format()+"/"+this.end.format()},b.prototype.valueOf=function(){return this.end-this.start},b.prototype.center=function(){var b=this.start+this.diff()/2;return a(b)},b.prototype.toDate=function(){return[this.start.toDate(),this.end.toDate()]},b.prototype.isSame=function(a){return this.start.isSame(a.start)&&this.end.isSame(a.end)},b.prototype.diff=function(a){return this.end.diff(this.start,a)},a.range=function(c,d){return c in e?new b(a(this).startOf(c),a(this).endOf(c)):new b(c,d)},a.range.constructor=b,a.fn.range=a.range,a.fn.within=function(a){return a.contains(this._d)},b});
\ No newline at end of file
+!function(a,b){"function"==typeof define&&define.amd?define(["moment"],function(c){return a.DateRange=b(c)}):"object"==typeof exports?module.exports=b(require("moment")):a.DateRange=b(moment)}(this,function(a){function b(b,c){var d,e=b,f=c;(1===arguments.length||void 0===c)&&("object"==typeof b&&2===b.length?(e=b[0],f=b[1]):"string"==typeof b&&(d=b.split("/"),e=d[0],f=d[1])),this.start=a(e),this.end=a(f)}function c(b,c,d){for(var e=a(this.start);this.contains(e,d);)c.call(this,e.clone()),e.add(1,b)}function d(b,c,d){var e=this/b,f=Math.floor(e);if(f!==1/0){f===e&&d&&f--;for(var g=0;f>=g;g++)c.call(this,a(this.start.valueOf()+b.valueOf()*g))}}var e={year:!0,month:!0,week:!0,day:!0,hour:!0,minute:!0,second:!0};return b.prototype.constructor=b,b.prototype.clone=function(){return a().range(this.start,this.end)},b.prototype.contains=function(a,c){var d=this.start,e=this.end;return a instanceof b?d<=a.start&&(e>a.end||e.isSame(a.end)&&!c):a>=d&&(e>a||e.isSame(a)&&!c)},b.prototype.overlaps=function(a){return null!==this.intersect(a)},b.prototype.intersect=function(a){var c=this.start,d=this.end;return c<=a.start&&a.start<d&&d<a.end?new b(a.start,d):a.start<c&&c<a.end&&a.end<=d?new b(c,a.end):a.start<c&&d>=c&&d<a.end?this:c<=a.start&&a.start<=a.end&&a.end<=d?a:null},b.prototype.add=function(c){return this.overlaps(c)?new b(a.min(this.start,c.start),a.max(this.end,c.end)):null},b.prototype.subtract=function(a){var c=this.start,d=this.end;return null===this.intersect(a)?[this]:a.start<=c&&d>c&&d<=a.end?[]:a.start<=c&&c<a.end&&a.end<d?[new b(a.end,d)]:c<a.start&&a.start<d&&d<=a.end?[new b(c,a.start)]:c<a.start&&a.start<a.end&&a.end<d?[new b(c,a.start),new b(a.end,d)]:c<a.start&&a.start<d&&a.end<d?[new b(c,a.start),new b(a.start,d)]:void 0},b.prototype.by=function(a,b,e){return"string"==typeof a?c.call(this,a,b,e):d.call(this,a,b,e),this},b.prototype.toString=function(){return this.start.format()+"/"+this.end.format()},b.prototype.valueOf=function(){return this.end-this.start},b.prototype.center=function(){var b=this.start+this.diff()/2;return a(b)},b.prototype.toDate=function(){return[this.start.toDate(),this.end.toDate()]},b.prototype.isSame=function(a){return this.start.isSame(a.start)&&this.end.isSame(a.end)},b.prototype.diff=function(a){return this.end.diff(this.start,a)},a.range=function(c,d){return c in e?new b(a(this).startOf(c),a(this).endOf(c)):new b(c,d)},a.range.constructor=b,a.fn.range=a.range,a.fn.within=function(a){return a.contains(this._d)},b});
\ No newline at end of file
diff --git a/package.json b/package.json
index 9e034c0..9593219 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "directories": {
     "lib": "./lib"
   },
-  "version": "2.0.2",
+  "version": "2.0.3",
   "engines": {
     "node": "*"
   },