Update Readme with belongsTo changes

README.md

@@ -272,6 +272,7 @@ The following versions are compatible:
 
 | entangled.gem | entangled-js.js | entangled-angular.js |
 |---------------|-----------------|----------------------|
+| 1.4.1         | 1.3.1           | 1.3.1                |
 | 1.4.1         | 1.3.0           | 1.3.0                |
 
 ## A Note On Cases
@@ -290,10 +291,10 @@ The gem relies heavily on convention over configuration and currently only works
 ## Development Priorities
 The following features are to be implemented next:
 
+- Throw error if parent id not set on child when trying to fetch parent
 - Support multiple `hasMany` and `belongsTo` associations in front end
 - Put up example application (the todo list?)
 - Make prefix of create path `create_message` instead of `create_messages`
-- Support `belongsTo` in front end and add section about it to JS Readmes
 - Support `has_one` association in back end and front end and route helper for single resource
 - Support scoping in back end
 - Add support for scopes and where clauses in front end once back end can do scopes à la [Spyke](https://github.com/balvig/spyke)