Pharokka

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* Fixes issue with genbank creation if certain CARD hits are found [issue 339](https://github.com/gbouras13/pharokka/issues/339)).
* Due to some semi-colons in the CARD metadata, new qualifier keys were being made in error.
* Solved by removing semicolons in the updated CARD metadata sheet

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* Identifies issue if `` is input contig header - Pharokka will error if your contig headers contain this character and prompt you to remove them

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* Adds Google Colab notebook that can run pharokka and [phold](https://github.com/gbouras13/phold).
* The notebook is [https://colab.research.google.com/github/gbouras13/pharokka/blob/master/run_pharokka_and_phold.ipynb](https://colab.research.google.com/github/gbouras13/pharokka/blob/master/run_pharokka_and_phold.ipynb)
* Fixes 334 issues with contig ids if they were in scientific notation or lead with 0s.
* Fixes issues with `pharokka_proteins.py` not outputting PHROG annotations.

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* Adds `pharokka_multiplotter.py` to plot multiple phage contigs at once
* Adds separate contig FASTA files if `-s -m` is run (in `single_fastas`)

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* Fixes a bug that was removing tRNAs from the `.tbl` output format 323.

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* Fixes a variety of bugs (300 `pharokka_proteins.py` crashing if it found VFDB hits, 303 errors in the `.tbl` format, 316 errors with types and where custom HMM dbs had identical scored hits, 317 types and 320 deprecated GC function)
* Adds `--mash_distance` and `--minced_args` as parameters (299 thanks iferres).