Inverse args in Contains operator for strings

in the strpos function, unlike the in_array function, the haystack is
the first arguement, and the needle the second one.
Adds In and notIn operators

Test if a string is in an array or contained in another string
Adds inIpRange / notInIpRange operators

Test if(not) an ip is in a range of ip or is in an array of ip ranges
Adds afterThan / beforeThan operators for time comparaison