Add int_conversion

 - Implement int check in dict_load()

requiam/commons.py

@@ -67,6 +67,14 @@ def figshare_group(group, root_stem, production=True):
     return grouper_group
 
 
+def int_conversion(string):
+    try:
+        value = int(string)
+    except ValueError:
+        value = string
+    return value
+
+
 def dict_load(config_file, vargs=None):
     """
     Purpose:
@@ -105,13 +113,13 @@ def dict_load(config_file, vargs=None):
             if vargs[p] is not None:
                 if p in config_dict['global']:
                     # If input argument is set, override global settings
-                    config_dict['global'][p] = vargs[p]
+                    config_dict['global'][p] = int_conversion(vargs[p])
                 else:
                     if p in config_dict['google']:
-                        config_dict['google'][p] = vargs[p]
+                        config_dict['google'][p] = int_conversion(vargs[p])
                     else:
                         # Add to extras dictionary
-                        config_dict['extras'][p] = vargs[p]
+                        config_dict['extras'][p] = int_conversion(vargs[p])
             else:
                 if (p not in config_dict['global']) and \
                         (p not in config_dict['google']):