Updating SearchFilter and associated tests so support OR logic join as well as AND
Updating ExactMatchFilter to support OR condition join as well as AND
Reverting change to QueryBuilderApplicableInterface so that the applyToQuery() method does not require a joinType
Minor syntax change to 5.4
Making joinType on ExactMatchFilter an option rather than a required parameter in applyToQuery()
Making joinType on SearchFilter an option rather than a required parameter in applyToQuery()
Fixing phpdoc