release v0.9.15

• add entity_id argument to record_data
• add get_storages function to Mixin
• add stock news data
• add docs

release v0.9.14

• support ml
• unify stateful service

release v0.9.13

• add turnover_rate to TechnicalFactor
• improve examples

release v0.9.12

• improve em kdata recorder
• add stockhk examples

release v0.9.11

• fix factor drawer data issue
• improve intent

release v0.9.10

• Use filter_result, score_result in factor_df and result_df for Transformer and Accumulator more reusable, chainable
• Add keep target in TargetSelector
• improve ml
• factor trading signal could be showed directly

release v0.9.9

• fix stock meta missing kechuang block from exchange

• fill list_date of block from kdata

v0.9.8

1)fix block kdata recorder issue 2)basic flow for ml and tag

v0.9.7

• update en docs
• improve index data

release v0.9.6

• add code arg to record_data
• add em entity info api
• update docs