v1.1.2

1. Fixes a bug which causes reduce api generates unmanageable table.
2. Enhancement for cleanup api.

v1.1.1

1. Compatibility enchancements for project FATE.
2. Documents update.
3. Adds code style / security scanner.
4. Separates eggroll context and eggroll session init in eggroll init.
5. Supports data import from python generator.
6. Uses single process in save_as to restore performance.

v1.1.0

1. Supports dtable garbage collection in python api. Intermediate dtables will be cleaned up when possible.
2. Supports session mechanism. Computing engines will be closed and cleanup tasks will be run when session ends.
3. Supports multi-cluster deployment in one machine node.
4. Enhances compatibilities with embedded Eggroll in FATE.
5. Adds new storage engine support - RocksDB.
6. Refactors computing engine and storage engine.
7. Supports parallel data import by multi processes in put_all api call.
8. Supports another map partitions (mapPartitions2) where a new iterator will be returned for operation result. Spark style.