Mock data and human readable TODOs

[jiyvliu]

TODO

• [x] Arguement parsing and polishing for human version of readcomb
• [x] Modify logging statistics for bam filtering readcomb
• [ ] More testing between bam filtering and human readable readcomb
• [x] Change function names for human readable version for organization
• [x] Change sequences to mock_sequence functions
• [x] Use setattr() for the mock_create

[jiyvliu]

• For arguements, changed -f, --filename to -b, --bam to be more explicit in the naming of parameters
• Changed fieldnames for the logging to match with the updated counter printing

[jiyvliu]

• All function unique to phase_changereadable.py begin with human...
• Importing functions from phase_change_filter.py into phase_change_readable.py