Add additional attributes to CRF object for better compatibility with sklearn interface

Author: SethPoulsen

sklearn_crfsuite/estimator.py

@@ -263,7 +263,9 @@ def __init__(self,
         self.averaging = averaging
         self.variance = variance
         self.gamma = gamma
-
+        self.model_filename = model_filename
+        self.keep_tempfiles = keep_tempfiles
+        
         self.modelfile = FileResource(
             filename=model_filename,
             keep_tempfiles=keep_tempfiles,