Prepare for v3.2.1 release (#224)

* Add model trained with v3.2.1 code
* Bump version numbers
* Update README.md to point to new pre-trained model

Update release version

Update author info

add external program names

fix quantify mode output order

Re-train Bham run1 cDNA guppy model

fastq bug fix

Update README.md

Merge branch 'master' of https://github.com/bcgsc/NanoSim

Update README.md