plugin and hook documentation updates

- add api documentation for plugin data classes
- update hook and plugin documentation to link
  to now documented api classes

1 files changed, 4 insertions, 0 deletions

diff --git a/cmd2/plugin.py b/cmd2/plugin.py
index dc9ec297..83093ee1 100644
--- a/cmd2/plugin.py
+++ b/cmd2/plugin.py
@@ -6,22 +6,26 @@ import attr
 
 @attr.s
 class PostparsingData:
+    """Data class containing information passed to postparsing hook methods"""
     stop = attr.ib()
     statement = attr.ib()
 
 
 @attr.s
 class PrecommandData:
+    """Data class containing information passed to precommand hook methods"""
     statement = attr.ib()
 
 
 @attr.s
 class PostcommandData:
+    """Data class containing information passed to postcommand hook methods"""
     stop = attr.ib()
     statement = attr.ib()
 
 
 @attr.s
 class CommandFinalizationData:
+    """Data class containing information passed to command finalization hook methods"""
     stop = attr.ib()
     statement = attr.ib()