Resolve "Create new run data class"

Created new Run class. Added tester methods to validate samples loaded by run.

Closes #10 (closed)

chipathlon/test/database_tests.py

@@ -13,12 +13,14 @@ with open(os.path.join(os.path.dirname(os.path.realpath(__file__)), "auth.yaml")
 
 class DatabaseTestCase(unittest.TestCase):
 
-    def setUp(self):
+    @classmethod
+    def setUpClass(self):
         print "Setting up database connection..."
         self.mdb = chipathlon.db.MongoDB(auth["host"], auth["username"], auth["password"])
         return
 
-    def tearDown(self):
+    @classmethod
+    def tearDownClass(self):
         print "Closing database connection..."
         self.mdb.client.close()
         return