Merge branch 'adding_vl' of git@github.com:zlateski/zi_lib


Former-commit-id: c15aa50a67d5211c8ccac81cc5d1ae0b015d8ba9
adaptive to normal if not present, prevent warnings for zlog sinks


Former-commit-id: 239feb351c8075d9497fa33246992aaaac8b588d
rwmutex reimplementation


Former-commit-id: bbfbe0260f710f42f2b42fed2902e10bda72b26c
modified Makefile to use sed


Former-commit-id: efb343d2d71b585507da1adcb877c5a41d8f96f6
recursive mutex for mac


Former-commit-id: e8e600509034c5bdfca884a0688b7ef1c7eaf01b
macos compatibility


Former-commit-id: 9aed886dbe4d8cbee5ae6cf46ac9dfe96b68714f
Merge branches 'adding_vl' and 'master' into adding_vl


Former-commit-id: 946cc550da8d4f5efe924db58676d6b70a50db65