v0.4.0 Release

• Upgrade dependencies
• Resolve issues
• Add new functions:
  • Basic:
    • get_block_result_by_height
    • get_commit
    • get_status
    • get_syncing
  • Bucket:
    • get_bucket_meta
    • list_buckets_by_bucket_id
    • list_bucket_by_payment_account
    • migrate_bucket
  • Group:
    • list_groups_by_account
    • list_groups_by_group_id
    • list_group_members
    • list_groups_by_owner
    • renew_group_member
  • Object:
    • list_object_by_object_id
  • Payment:
    • get_all_payment_accounts
    • list_user_payment_accounts
  • Storage Provider:
    • get_global_sp_store_price
    • update_sp_status
  • Virtual Group:
    • get_virtual_group_family