Added support for Python 3.11 (#47)

* testing 3.11

* changed pytest to 8.1.1

* changed pluggy to 8.1.1

* testing biopython 1.82

* removing py from requirements.txt

* updated setup.py and change log for support for python version 3.11

version bump

added cst mode of trimming (#44)

updated CLI output. E.g., removed 'processing' block.

added c3 trimming

updated README and docs to point to bioconda for anaconda installation

Support site_positions_to_trim on MSA trim method

Merge pull request #26 from JLSteenwyk/seq_type_handling

Seq type handling

version bump. entire sequence description, rather than just the ident…

…ifier, is kept in the output files of ClipKIT

docs to stay at 3.7