Merge pull request #2 from ikkez/master

Fix undefined $size in CLI mode (bcosca/fatfree-core#2)
Bugfix: ALIAS not initialized
Merge pull request #3 from xfra35/issue3

Small fix: ALIAS not initialized
Add save() event notifiers
Merge branch 'master' of https://github.com/bcosca/fatfree-core
Remove extraneous argument