Update changelog

Updated changelog

Author: tehkillerbee

HISTORY.rst

@@ -4,7 +4,14 @@ History
 =======
 v0.7.7
 ------
+* Tests: Added additional playlist, folder tests. - tehkillerbee_
+* Feature: Add support for playlist merging. - tehkillerbee_
+* Added trn to playlist object for convenience. - tehkillerbee_
+* Set limits from argument in all relevant methods. - tehkillerbee_
+* Feature: Use v2 endpoint for playlist creation. - tehkillerbee_
+* Feature: Add support for playlist folders (#181) - tehkillerbee_
 * Feature: Add track to user playlist, user tracks from ISRC (#96) - tehkillerbee_
+* Feature: Add optional fn_print to Session::login_session_file - GioF71_
 * Feature: Add support for moving playlist items (#116) - tehkillerbee_
 * Feature: Allow adding items multiple times to the same playlist - tehkillerbee_
 * Feature: Add support for adding items to a playlists at a specific position (#116) - tehkillerbee_
@@ -207,6 +214,7 @@ v0.6.2
 .. _Jimmyscene: https://github.com/Jimmyscene
 .. _quodrum-glas: https://github.com/quodrum-glas
 .. _M4TH1EU: https://github.com/M4TH1EU
+.. _GioF71: https://github.com/GioF71