remove confusing equals overide for equality with AAffineTransform
simplify
minor edits and simplification
simplfy AMatrix equality
improvements to equals overrides
improve vector length checking
improved length checking
more vector length checking
sized vector override for checkLength
make checkSameLength method final
make checkSameLength override method final
more use of length checking
simplified length checking code
more length checking simplification
more usage of checkSameLength
add checkIndex function
use of checkIndex functionality
more usage of checkIndex
more index checking
more index checking simplification