Add accessor methods to Logger class
Add setQuiet and isQuiet methods to Logger
Checking in changes prior to tagging of version 2.0.3.
fix quiet logger flag
if prepare() method returns false, then we should return
Checking in changes prior to tagging of version 2.0.4.
Bug fix in Application.php: incorrect guessCommand

Incorrect parenthesis makes $guess would be only true or false since '!==' operator has higher precedence than '='
Add autoloading all commands/sub-commands feature
Remove debug code
Use programName instead in default HelpCommand
Bug fixes: missing parameter for CommandBaseException::__constructor()
Separate CommandBase::autoloadCommands() for flexibility
Update README.md
Modification due to review
Add commandAutoloadEnabled property in Application
Bug fixes: use foreach to replace array_walk
Remove path property in CommandAutoloader, and fix extension removal
New correct: use similar_text instead of levenshtein
update phpunit config
Checking in changes prior to tagging of version 2.1.0.