Thoroughly test all the route, and update README

PerrySong · PerrySong · commit 02a5be5e1b66 · 2018-07-09T17:57:00.000-07:00
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 # API Documentation
 ### Important!
 *All the array parameters are not available, you can only pass one single parameter instead!*
-*Price Historical route are not available for now*
+*Price Historical route is not available for now*
 
 ### Routes
 
