Update ROADMAP.md

ROADMAP.md

@@ -6,10 +6,12 @@ please start an Issue on github with more details.
 
 ## Working on Next
 
-- [ ] Support categorical measure data.
-- [ ] Add choropleth / fill visualization type
-- [ ] PNG image export of map and data to file
-- [ ] Add raster data layers (via Rastero, numpy array, or WMS server)
+- [ ] Multiple visual layers in one map
+- [ ] Linestring map
+- [ ] Great Arc map from source-to-destination point
+- [ ] 3D extrusion map
+- [ ] Hover/Highlight effects on mousemove
+- [ ] PNG/JPG image export of map and data to file
 
 ## Down-the-road
 
@@ -18,7 +20,6 @@ please start an Issue on github with more details.
 - [ ] `dashboard-like` tabular views with filtering
 - [ ] Add user-defined html templates for popups
 
-
 ## Recently completed
 
 - [x] Add methods for determining breaks (jenks, etc)
@@ -35,3 +36,9 @@ please start an Issue on github with more details.
     * Implemented in 0.1.1
 - [x] Use PySAL for data domain natural breaks classification in example
     * Implemented in 0.1.1
+- [x] Support categorical measure data.
+    * Implemneted in 0.5.1
+- [x] Add raster tile and image data layers
+    * Added in 0.6.0
+- [x] Add choropleth / fill visualization type
+    * Added in 0.6.0