all xxxp pattern imp'd in PArray & Transform

Also added the beginnings of xml markup for docs.  I haven't tested this
stuff yet - writing unit tests now
Working on TransformationPArray

Same as Transformation but I made a TransformationPArray and a
TransformationPMatrix to hold unit tests for each type
deleted TransformationPArray, TransformationPMatrix

also fixed unit test for PArray.mapp (i think)
mapp simple unit test is passing

having trouble passing a struct as param
trouble with mapi
passing all unit tests

inits & fills still not implemented but I have questions about those
added bulkremove. dont have much code yet
Merge pull request #2 from acbrewbaker/master

PArray/UnitTest fixes