Fixed bug in ftsv save and open dialogs. The save dialog now looks as intended.

Added the possibility to load several datasets at once. Error handling should still
be improved.

workflows/go_workflow.py

@@ -1,5 +1,6 @@
 import gtk
 from fluents import dataset, logger, plots, workflow, fluents
+from fluents.lib import blmfuncs
 import geneontology
 #import gostat
 from scipy import array, randn, log, ones, zeros
@@ -123,6 +124,10 @@ class GoWorkflow (workflow.Workflow):
         go.add_function(SaveDistancesFunction())
         self.add_stage(go)
 
+        blm = workflow.Stage('blm', 'Bilinear Analysis')
+        blm.add_function(blmfuncs.PCA())
+        self.add_stage(blm)
+
        
 class LoadGOFunction(workflow.Function): 
     def __init__(self):