add cross val. and lazy cross val. Pt.2

Author: thierrymoudiki

setup.py

@@ -9,7 +9,7 @@
 
 subprocess.check_call(['pip', 'install', 'Cython'])
 
-__version__ = "0.4.0"
+__version__ = "0.4.1"
 
 here = path.abspath(path.dirname(__file__))
 

unifiedbooster/__init__.py

@@ -1,7 +1,7 @@
 from .gbdt import GBDT
 from .gbdt_classification import GBDTClassifier
 from .gbdt_regression import GBDTRegressor
-from .gpopt import cross_val_optim, lazy_cross_val_optim
+from .gpoptimization import cross_val_optim, lazy_cross_val_optim
 
 __all__ = ["GBDT", "GBDTClassifier", "GBDTRegressor", 
            "cross_val_optim", "lazy_cross_val_optim"]