v1.7 - long term effects improvement

Are you American? Stand against American military interventionism by writing your congressperson to support the current efforts to repeal the 2002 AUMF.

• Stop effects that have durations from being removed on rests
• Remove duplicate chat message when adding days

See previous release:
https://github.com/bmos/FG-PFRPG-Time-Manager/releases/tag/v1.6