Move key stuff to util, add pow util

packages/lib/src/Tools.ts

@@ -1032,6 +1032,13 @@ export const tryCatch = <T>(f: () => T, onError?: (e: Error) => void): T | undef
   return undefined
 }
 
+/**
+ * Throws an error with the given message
+ */
+export const thrower = (message: string) => () => {
+  throw new Error(message)
+}
+
 /**
  * Creates function that only executes once
  * @param f - Function to wrap