version bump for compilation against ucto v0.28

Author: proycon

setup.py

@@ -57,7 +57,7 @@
 
 setup(
     name = 'python-frog',
-    version = '0.6.3', #also ensure UCTODATAVERSION and FROGDATAVERSION are good in frog_wrapper.pyx
+    version = '0.6.4', #also ensure UCTODATAVERSION and FROGDATAVERSION are good in frog_wrapper.pyx
     author = "Maarten van Gompel",
     author_email = "proycon@anaproy.nl",
     description = ("Python binding to Frog, an NLP suite for Dutch doing part-of-speech tagging, lemmatisation, morphological analysis, named-entity recognition, shallow parsing, and dependency parsing."),