Add some questions
add question about eventDispatcher component
added key check and replaced duplicate answer
added flagging to indicate whether a question has multiple correct answers or not (i.e. isMultipleChoice), also did some phpdoc fixes that got in the way ;)
fixed typo
add double qoute

add double quote to avoid error message undefined index : correct.
reason : Yaml::parse() use comma as separator
Merge pull request #18 from ihsanudin/patch-1

add double qoute
Merge pull request #14 from vlaurier/add-architecture-question

add question about eventDispatcher component
Couple twig question added
Merge pull request #19 from drcreazy/newquestions

Couple twig questions added
Created Console category and added questions
Merge pull request #16 from cleentfaar/small-fixes

Added key check and replaced duplicate answer
Merge pull request #21 from mickaelandrieu/add-console-questions

Created Console category and added questions
Fix some question indentations / wording
Merge pull request #17 from cleentfaar/multiple-choice-and-phpdoc-fixes

Multiple choice and phpdoc fixes
Fix some code style
Add some new questions
Added some new questions
Merge pull request #20 from EduardTrayan/new-questions

Added some new questions
added some more tests