Feature/query for risk indicators (#314)

* added risk severity and indicator querying

* fixed a string

* fixed a string

* updated changelog and imports

* styling

* -risk-indicator error message now displays ALL_CAPS_ARGS

* use reverse mapping to use ALL_CAPS_VALUES for risk-indicator option

* replace deprecated option ':show-nested:'

* allow for multiple --risk-indicator flags

* simplifying code

Author: tora-kozic

src/code42cli/cmds/securitydata.py

@@ -214,9 +214,9 @@
 def risk_indicator_callback(filter_cls):
     def callback(ctx, param, arg):
         if arg:
-            mapped_arg = (risk_indicator_map[arg[0]],)
+            mapped_args = tuple(risk_indicator_map[i] for i in arg)
             filter_func = searchopt.is_in_filter(filter_cls)
-            return filter_func(ctx, param, mapped_arg)
+            return filter_func(ctx, param, mapped_args)
 
     return callback