ENH: Implement python logging

[KCollins]

Description

Replace 'is_verbose' tags with python logger.

Potential impact

Changes API calls.

• [x] Replace is_verbose print statements in magFunctions.py with log statements
  • [x] Add to notebooks:

    import logging
    logger = logging.getLogger(__name__)

  • [x] Verify print statements are validly categorized (info, warn, etc.)
  • [x] Test logging
  • [x] Add detail to logging statements (function calls, etc.)
  • [x] Delete references to is_verbose tag in notebooks
  • [x] Delete references to is_verbose tag in magFunctions

[KCollins]

Closed with commit [a30f9f8]