ADD: previous simple sqLite and indexedDb providers
Fix: indexedDb - inmemory mapping
Refactor: unittests
Refactor: Container.create usage in sqLite provider
Refactor: ExpressionMonitor from sqLite to Expressions
refactor: DbClient moved into core
fix: file encoding
change: error callback wrapped, once run func
FIX: file content encodings
FIX: tailing commas
Build: minified modules