Make the timestamp more readable when moving the out/ directory.

CHANGELOG.md

@@ -5,6 +5,8 @@
 - Provide the possibility not to store a given module in cache. This can be useful on computers with a limited amount of memory. The downside is that when not caching the model generation will be slower. (Médéric Boquien)
 
 ### Changed
+- Make the timestamp more readable when moving the out/ directory. (Médéric Boquien)
+
 ### Fixed
 - Corrected a typo that prevented `restframe\_parameters` from being listed among the available modules. (Médéric Boquien)
 

pcigale/analysis_modules/__init__.py

@@ -54,7 +54,7 @@ class AnalysisModule(object):
     def prepare_dirs(self):
         # Create a new out/ directory and move existing one if needed
         if os.path.exists('out/'):
-            name = datetime.now().strftime("%Y%m%d%H%M") + '_out/'
+            name = datetime.now().strftime("%Y-%m-%d_%H:%M:%S") + '_out/'
             os.rename('out/', name)
             print("The out/ directory was renamed to {}".format(name))