Update error code meanings section

Author: captainawesomejnr

README.md

@@ -15,3 +15,5 @@ The newest way to use Python
 
 ## Error code meanings ❌
 All errors come in x64 (64-bit) and x86 (32-bit) varients, depending on what you set the processor type to.
+- 55-73-65-72 - User-initiated crash using $STOPCRASH command
+- 50-50-72-6F - Error opening the PythOS Pro uttillity.