Bugfix: clearing state as well as adding get_state

[ahmadnazeri]

Description

Fixing ff.clear_state() as well as adding ff.get_state()

Type of change

Does this correspond to an open issue?

Select type(s) of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have fixed any merge conflicts

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (feature/ucb@15ae948). Click here to learn what that means.
The diff coverage is n/a.

@@              Coverage Diff               @@
##             feature/ucb     #876   +/-   ##
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  Files                  ?       67           
  Lines                  ?    13578           
  Branches               ?        0           
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  Hits                   ?     7312           
  Misses                 ?     5552           
  Partials               ?      714           

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[aolfat]

Suggested change

	def __print_state(self, data):
	def __print_state(self, data):
	# TODO move out of register.py