Fixed URLs in composer.json
Merge pull request #21 from php-workx/master

support calendar descriptions
An event does not need to have a DTEND/DURATION element
Added getDtEnd function
Added cancelation option and organizer field
Added getDtEnd function
Added cancelation option and organizer field
dubbele methods en attr
Merge pull request #22 from AgileOasis/no-end-or-duration

An event does not need to have a DTEND/DURATION element
Merge pull request #12 from youngguns-nl/develop

Added cancelation option and organizer field