version 0.8.1: the final minor version for the sync core

version 0.7.12: NDB ensure call

version 0.7.11: NDB FDB index fix

version 0.7.10: a big pack of fixes

version 0.7.9: minimal build fix for embedded envs

version 0.7.8: more ss2 fixes

version 0.7.7: ss2 user context fix

version 0.7.6: static loader

version 0.7.5: nlsocket fix

version 0.7.4: ss2 as a module