check for version opt
changes to use YAML::Tiny
change yaml -> yaml-tiny
clean up checking options
bump version
refactor code slightly for readability
change usage to be more expressive
modify attribute name for config
update version
use consistent method for executing programs
bugfix for calculating percentage of singletons that are repeats
update changes
fix attribute name
rework configuration parsing methods to be more expressive
add info for test changes
rework file creation methods to be more portable for tests