Merge pull request #24 from subtub/master

update develop branch
Added description th basic example
Update simple example
Added commander.addExamples function, changes at on('--help') content
Bump version [ci skip]
Added addExamples doc [ci skip]
update install doc [ci skip]
README.md updated and auto commited by subtool [ci skip]
Merge pull request #25 from subtub/develop

Version 0.1.3