Fix a bug: data.has_weights is a method.
Merge pull request #132 from astaric/skl-weights

Fix a bug: data.has_weights is a method.
Added sklearn tree tests.
Tree Classifier
params
Merge pull request #128 from thocevar/tree

Added sklearn tree tests.
Improve test (avoid non-deterministic results).
Indices should be integers.
Test Learners widget (Orange.evaluation.testing.CrossValidation) calls StratifiedKFold.
Minor.
Minor.
Allow for minimal fold index start/stop differences.