Add some extra idtoiso lemmas
Add some theorems about idtoiso in [C, D]
Add more trivial lemmas about idtoiso
Prove that every functor is a pseudofunctor

It was a big pain to do the proof.  Moreso before I figured out that
[rewrite] wasn't working only because I neglected to unfold
[NaturalIsomorphismNT], or had [NTComposeT] rather than [Compose].  But
it's horrendously slow. :-(

After    | File Name                             | Before
-----------------------------------------------------------
1m04.04s | Pseudofunctor/FromFunctor             |   N/A
0m23.18s | Category/Equality                     | 0m23.82s
0m22.96s | Comma/Duals                           | 0m23.52s
0m22.58s | Adjoint/Hom                           | 0m22.38s
0m12.58s | Adjoint/Composition                   | 0m12.04s
0m12.18s | Adjoint/UniversalMorphisms            | 0m12.05s
0m11.56s | Adjoint/Duals                         | 0m11.96s
0m10.58s | Adjoint/UnitCounitCoercions           | 0m10.75s
0m08.13s | Comma/InducedFunctors                 | 0m07.97s
0m07.56s | Groupoid                              | 0m07.23s
0m06.50s | Adjoint/Equality                      | 0m06.15s
0m06.37s | Category/Morphisms                    | 0m06.54s
0m05.90s | Adjoint/UnitCounit                    | 0m05.62s
0m04.64s | SumPreCategory                        | 0m04.57s
0m04.49s | Functor/Equality                      | 0m04.17s
0m04.37s | Groupoid/Duals                        | 0m04.49s
0m03.65s | Groupoid/Functors                     | 0m03.64s
0m03.36s | UniversalProperties                   | 0m03.54s
0m03.14s | Pseudofunctor/Core                    | 0m03.08s
0m02.78s | Grothendieck/ToSet                    | 0m02.80s
0m02.58s | Comma/CommaCategory                   | 0m02.58s
0m02.56s | BoolCategory                          | 0m02.46s
0m02.26s | NaturalTransformation/Pointwise       | 0m02.43s
0m02.01s | Category/Product                      | 0m01.98s
0m01.88s | NaturalTransformation/Isomorphisms    | 0m01.86s
0m01.82s | NaturalTransformation/Duals           | 0m01.83s
0m01.82s | NaturalTransformation/Equality        | 0m01.79s
0m01.78s | Hom                                   | 0m01.75s
0m01.70s | FunctorCategory/Morphisms             | 0m01.76s
0m01.40s | NaturalTransformation/Product         | 0m01.40s
0m01.38s | Functor/Product                       | 0m01.33s
0m01.34s | NaturalTransformation/CompositionLaws | 0m01.28s
0m01.21s | NaturalTransformation/Composition     | 0m01.31s
0m00.79s | Cat/Morphisms                         | 0m00.78s
0m00.61s | InitialTerminalCategory               | 0m00.63s
0m00.46s | Comma/Projection                      | 0m00.41s
0m00.45s | Functor/Pointwise                     | 0m00.47s
0m00.45s | Functor/CompositionLaws               | 0m00.45s
0m00.36s | IndiscreteCategory                    | 0m00.36s
0m00.36s | Discrete/Duals                        | 0m00.36s
0m00.36s | Common                                | 0m00.30s
0m00.32s | SetCategory                           | 0m00.35s
0m00.32s | Cat                                   | 0m00.30s
0m00.31s | NaturalTransformation/Identity        | 0m00.28s
0m00.29s | FunctorCategory                       | 0m00.26s
0m00.27s | IsGroupoid                            | 0m00.18s
0m00.25s | Category/Objects                      | 0m00.27s
0m00.24s | Functor/Duals                         | 0m00.29s
0m00.23s | NatCategory                           | 0m00.26s
0m00.23s | Functor/Composition                   | 0m00.25s
0m00.18s | Category/Core                         | 0m00.16s
0m00.17s | Adjoint                               | 0m00.16s
0m00.17s | NatCategory/Duals                     | 0m00.16s
0m00.16s | ComputableCat                         | 0m00.16s
0m00.16s | NaturalNumbersObject                  | 0m00.14s
0m00.15s | Adjoint/Identity                      | 0m00.16s
0m00.15s | NaturalTransformation/Core            | 0m00.20s
0m00.14s | Category/Duals                        | 0m00.16s
0m00.14s | Category/UnivalentCategory            | 0m00.11s
0m00.13s | Peano                                 | 0m00.11s
0m00.12s | NaturalTransformation                 | 0m00.08s
0m00.11s | Pseudofunctor                         | 0m00.13s
0m00.11s | DiscreteCategory                      | 0m00.10s
0m00.10s | Functor/Core                          | 0m00.12s
0m00.10s | Utf8                                  | 0m00.10s
0m00.10s | Grothendieck                          | 0m00.12s
0m00.09s | Category                              | 0m00.07s
0m00.09s | Functor/Identity                      | 0m00.09s
0m00.08s | Category/StrictCategory               | 0m00.08s
0m00.08s | Functor                               | 0m00.09s
0m00.04s | NotationsUtf8                         | 0m00.06s
0m00.04s | Notations                             | 0m00.06s
-----------------------------------------------------------
4m33.20s | Total                                 | 3m28.89s