Fix bugs
	modified:   TA_framework/client_broker.py
	modified:   TA_framework/kv_client.py
	Splunk_TA_manager/ta_central_management.py
	Splunk_TA_manager/ta_conf_client.py
	Splunk_TA_manager/ta_configure_manager.py
	Splunk_TA_manager/ta_manager.py
	Splunk_TA_manager/ta_task_manager.py