simplified store # get, multi_get & multi_get_option
removed test_and_set & get_j from store
set, delete and exists method on store no longer have ?_pf argument
removed sequence method from store
moved user_function implementation, fixed some tests
renamed store type class to simple_store & added store record to Store
simplified simple_store some more
removed aSSert & aSSertExists from simple_store, fixed tests
moved implementation of consensus_i, incr_i from simple_store to store
moved set_master(_no_inc) & who_master from simple_store to store
fixed restoring of i when transaction fails
moved get_interval & set_interval
moved get_routing, set_routing, set_routing_delta
cleanup in local_store
further cleanup
moved quiesced methods
moved some exception handling and logging to store
moved closed
renamed get_j and set_j to _get_j and _set_j to indicate a more private status
bugfix for delete_prefix
fixed tests
changed store from class type to module