Minor fixes to the genome class

Missed some stuff before merging.  Oops.

See merge request !10

Added some more documentation.  Removed unnecessary function.  Added additional helper method to separate get_additional / get_fasta files.

Resolve "Create genome class"

Closes #9

See merge request !9

Resolve "Adjust input run.yaml format"

Closes #2  Updates the run_parser to create new run class / genome class objects.  #9  still not resolved, dummy class was used for testing.

See merge request !8

Resolve "Create result class"

Closes #6
Adds a result class to handle intermediate output instead of managing everything in a giant dictionary structure.  Instances of result class will be added to the new Run class to manage data better.

See merge request !7

Updated result class with full required information.  Removed unnecessary current_markers / current_jobs.

Resolve "Create new run data class"

Created new Run class.  Added tester methods to validate samples loaded by run.

Closes #10

See merge request !6

Adjusted database test super class to only instantiate db connection once per test suite.  Removed insertion tests and added tests to ensure that sample fetching will work.

Increased jamm memory and wall time requests.  Updated jamm_wrapper to use final jamm output instead of individual chr files.