Updated YAML dep to 2.4
Merge pull request #1 from SocialEngine/feature/update-yaml-dep

Updated YAML dependancy to 2.4
Merge pull request #23 from SocialEngine/master

Update YAML version
[Fixes #22] Setting undeclared attributes doesn't work and added tests
Spawn dynamic syntax component
Merge pull request #24 from SocialEngine/develop

[Fixes #22] Setting undeclared attributes doesn't work and added tests
Flesh out ExtendableTest even more
Add notes to ExtendableTrait
Update readme, remove debug code.
Update readme, merge singles and doubles in regex results.
Create regex for converting parameter string to an array.
Unit test regex methods.
Refs https://github.com/octobercms/october/issues/179
Change from leafo to oyejorge/less.php for less compiling
Complete first cut of syntax component
Minor fix to model, always call events
Use dropIfExists
Add a boot hook to the model, not sure if this will actually be useful to anyone
Create SyntaxModelTrait for using with models
Improve regex so tags are returned in correct order