Split lines of text with str.splitlines()

[cclauss]

- s.split("\n"):
+ s.splitlines():

Fixes #205

• Getting trailing '\r' on some but not all ability_names in game_events #205
• https://docs.python.org/3/library/stdtypes.html#str.splitlines

[manuelseeger]

Thanks for the PR :)

[StoicLoofah]

Looks good. Thanks!