Description of proposed changes

• ptime.get_date_range(): add dunit and out_fmt

  • add dunit arg with default value as before
  • add out_fmt arg with default value as before

• smallbaselineApp.plot_result(): use floor() instead of rint() as a more conservative num calc for parallel processes

• unwrap_error_phase_closure: print out # of ifg/triplets

• a few minor after-merge edits on previous PRs.

Reminders

• Pass Codacy code review (green)
• Pass Circle CI / local test (green)
• Make sure that your code follows our style. Use the other functions/files as a basis.
• If modifying functionality, describe changes to function behavior and arguments in a comment below the function declaration.
• If adding new functionality, add a detailed description to the documentation and/or an example.