Return phased genotype string from Genotype class if variant is phased

[fellen31]

Description

While debugging other parts of the code, I found it useful if the Genotype class could return unphased and phased genotypes, rather than always representing the genotypes with / as delimiter.

I changed the Genotype class to make it slightly more understandable (in my opinion). Let me know if you don't agree and we can change it back.

Changed

• Return phased genotype string from Genotype class if variant is phased
• Slightly more readable Genotype class

How to prepare for test

• Ssh to relevant server (depending on type of change)
• Use stage: us
• Paxa the environment: paxa
• Install on stage (example for Hasta):

  bash /home/proj/production/servers/resources/hasta.scilifelab.se/update-tool-stage.sh -e S_[TOOL]-t [TOOL] -b [THIS-BRANCH-NAME] -a

How to test

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Expected test outcome

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Review

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This version is a

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• MINOR - when you add functionality in a backwards compatible manner
• PATCH - when you make backwards compatible bug fixes or documentation/instructions

Implementation Plan

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