add savepoint and counterpart reset, start of sh tidy
add flush, savepoint and counterpart reset, start of sh tidy
Merge branch 'savepoints' of https://github.com/SMX-LTD/ccm-clj into savepoints

* 'savepoints' of https://github.com/SMX-LTD/ccm-clj:
  add savepoint and counterpart reset, start of sh tidy
add clustering option to savepoints
typo and version snapshot
minor fixes
better error handling and reporting
sync-dir, logging tidy
tidier logging, new sh-exec
more tidying
tidy
savepoint tests pass, add string and reader support for cql!