No spaces in output sequence name

[olgabot]

To make the output protein/dna sequences unique and indexable, they need to not have spaces where there is unique information, e.g. for the translation frame. This PR adds the translation frame to the sequence name, but without spaces.

E.g. here's a current output:

>read1/tr|A0A024R1R8|ENSP00000491117;mate1Start:1;mate2Start:1 translation_frame: 1 

This would be changed to:

>read1/tr|A0A024R1R8|ENSP00000491117;mate1Start:1;mate2Start:1__translation-frame:1 

Many thanks to contributing to czbiohub/sencha!

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• [ ] This comment contains a description of changes (with reason)
• [ ] If you've fixed a bug or added code that should be tested, add tests!
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[pranathivemuri]

the tests are failing as the expected sequence names have spaces in them, otherwise this PR looks good

[pranathivemuri]

Closed in favor of #93