0.5.0

Added

• Improves terminal handling by adding the Terminal class.
• Adds methods to write to stderr.
• Adds write() and overwrite() method to commands.
• Adds ability to regress progress bar.
• Adds ability to choose when a command name is ambiguous.

Changed

• Removes support for decorators and dictionaries declarations.
• Simplifies public API for creating arguments and options.
• Improves string formatting.
• Hides _completion command from list.
• Improves aliases display.
• Displays errors even in quiet mode
• Changes console header format
• Simplifies the way to create single command application.
• Simplifies command testing with user inputs.