store content hash for splitted resources in the db

adds semi functional download of splitted files

fixes that pull downloads the history collection

adds wrapper functions for setting/getting the content hash

adds content hash for splitted files

adds multiple file support for mkdir and remove

fixes more if statements and some warnings

fixes wrong memset

some db.c fixes

adds file splitting feature to dav-sync push

(0) -300 -100 -10 +10 +100 tip

mercurial