Bump Version to 4.5.0 Pre

Author: realquantumcookie

README.md

@@ -16,7 +16,7 @@ To use this code, download / clone the entire project to your local computer.
 
 ## Library Status
 
-Current version: 4.5.0 Alpha   
+Current version: 4.5.0 Pre-Release   
 This library is currently the 4th iteration, and the documentations can be found in [docs.darbots.org](https://docs.darbots.org/) Repository of this organization    
 
 ## Questions