mgoc-v1.2.1

• update upsert
• update readme document

mgoc-v1.2.0

add Round method supports round project (normal query or aggregate)

mgoc-v1.1.2

Unwind method supports object param

mgoc-v1.1.1

add Unwind aggregation method

mgoc-v1.0.0

ToObjectID method name change to MakeObjectID

mgoc-v0.9.4

• add SetReadTimeout, SetWriteTimeout methods to change read or write timeout seconds

mgoc-v0.9.3

• GroupBy method supports string, bson.M and bson.D expression

mgoc-v0.9.2

• support aggregate result fetch to struct

mgoc-v0.9.1

Query can instead Aggregate when using group functions

mgoc-v0.9.0

• add GroupBy method
• add aggregate methods for $avg $sum $max $min