add a start to take labels expressions from esri.

package.json

@@ -84,6 +84,7 @@
     "pretest": "npm run build",
     "release": "./scripts/release.sh",
     "start": "watch 'npm run build' src & http-server -p 5000 -c-1 -o",
+    "start-with-double-quotes": "watch \"npm run build\" src & http-server -p 5000 -c-1 -o",
     "test": "npm run lint && karma start",
     "test:ci": "npm run lint && karma start --browsers Chrome_travis_ci"
   }

src/EsriLeafletRenderers.js

@@ -5,6 +5,10 @@ export { SimpleRenderer, simpleRenderer } from './Renderers/SimpleRenderer';
 export { ClassBreaksRenderer, classBreaksRenderer } from './Renderers/ClassBreaksRenderer';
 export { UniqueValueRenderer, uniqueValueRenderer } from './Renderers/UniqueValueRenderer';
 
+export { LabelRenderer } from './Labels/LabelRenderer';
+export { SimpleLabelRenderer } from './Labels/SimpleLabelRenderer';
+export { scalingToZoom } from './Scaling/ScalingToZoom';
+
 export { Symbol } from './Symbols/Symbol';
 export { PointSymbol, pointSymbol } from './Symbols/PointSymbol';
 export { LineSymbol, lineSymbol } from './Symbols/LineSymbol';