Bump version to 0.7.2

package.json

 {
 {
   "name": "query-to-mongo",
   "name": "query-to-mongo",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "description": "Convert query parameters into mongo query criteria and options.",
   "description": "Convert query parameters into mongo query criteria and options.",
   "main": "index.js",
   "main": "index.js",
   "repository": {
   "repository": {