Fix ... from PECL extensions
Merge pull request #15 from henrikbjorn/class-mirror-varying-arguments

Fix ... from PECL extensions
Merge pull request #16 from kagux/and_token

Logical AND token and a shortcut for it
Update setup instruction in README

[ci skip]
added array count token
renamed array count token shortcut to ```size```, cleaned up its spec and improved readability of its ```scoreArgument``` method