Fix IMGT numbering of CDR1 and CDR2

CDR1 position 33 and CDR2 position 61 were are now numbered correctly

Refactor into modules, minor fixes

• Break into multiple modules
• Support passing Chain args in FASTA parsing
• Support getting unique germlines
• Raise error on ANARCI IMGT position 61A bug: oxpig/ANARCI#14

Germline assignment using ANARCI

Assign germlines to v_gene and j_gene fields using assign_germline=True

Fix type hinting

v0.2.5

Set version to 0.2.5

CDR grafting improvements

v0.2.4

Set version to 0.2.4

v0.2.3

Set version to 0.2.3

0.2.3

Set version to 0.2.3

v0.2.1

Set version to 0.2.1

v0.2.0

Set version to 0.2.0

v0.1.5

• Add support for Chothia, Kabat and AHo numbering
• Add support for separate CDR definitions including IMGT, Chothia, Kabat and North
• Improved slicing support