Renamed builder test suite file
Updated Makefile
Removed tests for old CLAP
Builder initialiser accepts models
Small changes (and one fix) in checker
Formatter's .format() method now returns self (more fluent interface)
Fixed a bug in parser, which would return items for nested mode (and, as
a result, cause unrecognized mode to be reported) even if current mode
had no child modes
Updated ParsedUI's .get() method to match sophistication of Parser's .get()
Updated parser: .parse2() method renamed to .parse()
Updated ParsedUI: .finalise() does not require `mode` parameter
Removed old checker code
Added example flat mode
Updated Makefile
Updated flat example
Updated install script
Release 0.9.3