minor README

- add troubleshooting in case msgpack is no up to date
- add the flag `--upgrade` to `pip3`

README.md

@@ -47,11 +47,11 @@ AlgoNim uses the following Python3 modules:
 
 so you need to install them (if not already present):
 
-```
-$ pip3 install msgpack
-$ pip3 install docopt
-$ pip3 install algosdk
-$ pip3 install pyteal
+```bash
+$ pip3 install --upgrade msgpack
+$ pip3 install --upgrade docopt
+$ pip3 install --upgrade algosdk
+$ pip3 install --upgrade pyteal
 ```
 
 ### Step 2 - Environment setting
@@ -217,6 +217,17 @@ If one of the players does not act for long time the Bet Escrows countdown condi
 5. Implementing a "Multi-heaps" variant;
 6. Implementing a "Championship" mode (2 out of 3 matches).
 
+## Troubleshooting
+
+### Issue with `KeyError: 'microalgo_bet_amount`
+
+This issue arises if you do not use the latest version of `msgpack`.
+`msgpack` version 1.0.0 is needed.
+Run: 
+```bash
+$ pip3 install --upgrade msgpack
+```
+
 ## Contact
 For any issue, improvement proposal or comment please reach me out at: [email protected]