Added wishlist of future updates

README.md

@@ -10,9 +10,13 @@ PLEASE submit an issue or pull request if you notice any bugs, security holes, o
 
 This gem is a wrapper for the [Kraken Digital Asset Trading Platform](https://www.kraken.com) API. Official documentation from Kraken can be found [here](https://www.kraken.com/help/api).
 
-The current version (0.2.0) can only be used to query public and private market data. Private data queries require use of your account API keys.
+The current version (0.2.0) can be used to query public and private market data. Private data queries require use of your account API keys.
 
-Below are the instructions for installing and using the gem.
+### Pending Future Updates
+
+- Solid trade execution functionality
+- More comprehensive test suite for methods requiring authentication (using VCR perhaps)
+- More comprehensive documentation
 
 ## Installation