Add new params to sanitize BAM file available since Picard 1.108
Add version check for sanitize option.
Add correct version parsing.
Remove is_optional when default_value is defined.
A couple class definition changes and an update to the sanitize picard version comparison to include v1.108
Added back a few more is_optional values for default attributes.
Merge pull request #246 from jasonwalker80/picard_revert_sam_updates