Add an extra blank line before the first printed definition.
Refactor command-line argument processing out of the Super method.
Clean up static fields and one option set.
Refactor command-line argument processing out of the Render method.
Refactor command-line argument processing out of the Parse method.
Refactor command-line argument processing out of the Span method.
Clean up all options and remove the last static field.
Create a dependency on NCommander. Store it in a submodule.
Rename the 'super' command to 'check'.
Further refactor command-line argument processing into separate methods.
Use a dictionary, instead of an if/else tree.
Bug. 'giza --verbose' would not start the repl but instead crash.
Split repl command args in a better way.
Refactor repl commands into separate methods.
Don't save a file if no definions were specified.
If no filename is given, print a message instead of crashing.