@returns: fixed typo in test description
existing tags tests: toEqual -> toBe where appropriate
@author tests - test that you can have multiple authors
@augments tests - add test that you can @augment multiple doclets
@alias tag - added test that doc.alias is populated (further tests already in documentation/alias.js)
@mixes and @mixin tests added
@classdesc: added test
@constant: added tests
@desc: added tests
@example: added tests
@function: added tests
@inner, @instance, @static tests added
@kind: added test
@lends: added low-level tests
@license: added tests
@member: added tests
@namespace: added tests
@summary: added tests
@todo: added tests
@tutorial: added low-level tests