Renamed theSameIteratedElementsAs to theSameElementsInOrderAs.
Moved defaultEquality to companion object.
Move unconstrainedEquality to the EqualityConstraint companion object to get it
out of the main implicit scope.
Added ListShouldContainOneOfSpec.scala.
Renamed containsElement to contains in Holder.
Added containsOneOf method to Holder.
Added ListShouldContainAtLeastOneOfSpec, got Aggregation started, and newContain atLeastOneOf syntax.