Added

1. Support asynchronous query - return parse information to user before executing result
2. Add Model as the basic data structure of the semantic definitions - this will replace the old conception of subdomain

Updated

1. improve knowledge word similarity algorithm
2. improve embedding plugin chooser
3. improve DSLQuery field correction and parser

Fixed

1. Fix mapper error that detectWord text is shorter than word
2. Fix MetricDomainQuery inherit context