added findBy() and filterBy() methods for arrays of objects and arrays of associative arrays
making more PSR2 compliant
PSR2 - after running php-cs-fixer
Added removeValue() function for Arrays including unit tests
added "standardise" bash script to help contributor to achieve PSR2
cleans up numeric arrays after removing a value
Merge pull request #36 from ksnyde/master

added findBy() and filterBy() methods