saveField method now accepts 0 and '0' as valid values for id parameter and no longer throws an exception if either of those values is passed 3.0.0
-countMaxDepthIterative method added -deprecated methods haveEqualKeys & haveEqualValues removed -integer validation improved -countMaxDepth signature changed and method efficiency improved 2.2.0
haveSameKeys & haveSameValues methods added, they will replace haveEqualKeys & haveEqualValues respectively, which are depricated. hasOnlyKeys method added & tested 2.0.0
CastColumns method allows for empty $matrix input, without throwing an exception. Tests code coverage improved to 100%. Changelog file added. 1.1.0
Delete columns method added.