Bump base
Bump base

https://github.com/koreader/koreader-base/pull/1532
https://github.com/koreader/koreader-base/pull/1531

NiLuJe/koreader,poire-z/koreader,koreader/koreader,Frenzie/koreader,poire-z/koreader,koreader/koreader,NiLuJe/koreader,Frenzie/koreader