memory (sqlite): files handling: /!\ new database schema version - added a table to handle files metadata and hierarchy. - new methods getFiles and setFile allow respectively to retrieve files corresponding to filters, and to set metadata for one file. - fixed stmnt_regex to detect correcly new schema (during schema validation/update on init)

# FIXME: remove this when RSM and MAM are in wokkel
# XXX: the Monkey Patch is here and not in src/__init__ to avoir issues with pyjamas compilation
import wokkel
from sat_tmp.wokkel import pubsub as tmp_pubsub, rsm as tmp_rsm, mam as tmp_mam
wokkel.pubsub = tmp_pubsub
wokkel.rsm = tmp_rsm
wokkel.mam = tmp_mam