Prepare for @neaps/tide-predictior@0.4.0 release

Author: bkeepers

packages/tide-predictor/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@neaps/tide-predictor",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Tide predictor",
   "repository": {
     "type": "git",