Merge tag '0.2.0' into develop

0.2.0

1797d16 :bugfix: Snippets should be based on PHP ~5 ([Semantic Version](http://semver.org))
a1fde62 Use descriptive field names; try to avoid names like foo, bar, baz, etc.
e65e28e Add visibility field to class constructor
8441419 :bugfix: Limit scope of "this" to valid contexts
8e5f3e1 Change field comment style `# code...` to `// code...`
1fdb251 :bugfix: Class PHPDoc missing space prefix
b4e0d5c :bugfix: PSR coding standard; No trailing spaces
811dade Remove `// END ...` comments from PHPDoc
d9b78e6 :lipstick: Put snippet definitions between cdata tags on next line; Improves readability
8789f5b Add rthis > return $this;
1183ae5 Add trait
610bd63 Add versions of this > $this->| and ethis > echo $this->| that trigger inside php tags
0bf8178 :bugfix: Snippets should be PSR compliant; brace should be on next line
aa21aee :bugfix: PHPDoc should end with */ not **/
69c0726 :bugfix: end of field cycle should be after the semi-colon

* tag '0.2.0':
:memo: add list of suggested PHP packages