Allow grace period

[qlux]

Add 2 functions to save and retrieve history of events
Fixes #14

[pep8speaks]

Hello @qlux! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file privacyidea_pam.py:

Line 201:80: E501 line too long (89 > 79 characters)
Line 208:80: E501 line too long (83 > 79 characters)
Line 212:80: E501 line too long (122 > 79 characters)
Line 333:80: E501 line too long (95 > 79 characters)
Line 335:80: E501 line too long (82 > 79 characters)
Line 340:80: E501 line too long (80 > 79 characters)
Line 353:80: E501 line too long (80 > 79 characters)
Line 489:1: E302 expected 2 blank lines, found 1
Line 513:80: E501 line too long (93 > 79 characters)
Line 519:19: E225 missing whitespace around operator
Line 525:80: E501 line too long (88 > 79 characters)
Line 527:80: E501 line too long (97 > 79 characters)
Line 528:29: E128 continuation line under-indented for visual indent
Line 529:29: E122 continuation line missing indentation or outdented
Line 534:80: E501 line too long (86 > 79 characters)
Line 541:5: E303 too many blank lines (2)
Line 576:21: E127 continuation line over-indented for visual indent
Line 580:39: E231 missing whitespace after ','
Line 587:5: E303 too many blank lines (2)
Line 609:80: E501 line too long (92 > 79 characters)
Line 619:21: E127 continuation line over-indented for visual indent

Comment last updated at 2020-08-11 14:39:10 UTC