Update testing commands in README.md (#68)

Author: glennj

README.md

@@ -6,10 +6,10 @@ Exercism exercises in MoonScript.
 
 ## Testing
 
-To test all exercises, run `./bin/verify-exercises`.
+To test all exercises, run `./bin/test-all`.
 This command will iterate over all exercises and check to see if their exemplar/example implementation passes all the tests.
 
-To test a single exercise, run `./bin/verify-exercises <exercise-slug>`.
+To test a single exercise, run `./bin/test-one <exercise-slug>`.
 
 ### Using Docker