* update ibm-cos-sdk dependency to 2.10.0
* change name from SQLMagic to SQLBuilder
* update SQLBuilder: can generate 'FIELD TERMINATED BY ' in `.from_cos_` API
* update SQLClientTimeSeries: work with either catalog table or COS URL as datasource
* update TimeSeriesTransformInput: support more units (minute, Xminute)
* update COSClient: add `copy_objects`
* fix bug COSClient: `list_cos_objects`
* fix bug HiveMetastore: `create_partitioned_table`
* update HiveMetastore: add `add_partitions`
* update SQLQuery: add the option to specify format when using default target cos url, thread-safe writing checkpoint file when using `submit_and_track_sql`
* increase version to 0.5.0
* update docs build and build new docs