Merge pull request #1 from hirakchatterjee/master

Fix for "anyOf" method, wrong string concatenation operator
basic cleanup
changed var to public
Changed return object to VerEx
Moved bracket
some prs improvments
Merge pull request #3 from williamknauss/master

basic cleanup
stripping superfluous whitespace
replacing function body with single-line ternary expression
no need to return $this if preceding method call returns $this
reducing function bodies to ternary returns
transferring example code to Example.php
adding break tags in example output for slight improvement to readability
Merge pull request #4 from SignpostMarv/master

some minor tinkering
added link to organization page
Fixed some typos
Fixed doc comments
Fixed string concatenation, Changed Exception to InvalidArgumentException
PHP CS fixes
PHP CS fix