merge reopened branch 86 with master

'0' was not allowed in Run name during download workflow. (They were replaced with '_'.)

issue#86 reopened

src/ng6/utils.py

@@ -380,7 +380,7 @@ class Utils(object):
                 project_name = "Project_%s.%s" % ( re.sub( r"[\s\/]", "_", run['project_name']), run['project_id'] )
                 
                 #run_name = "Run_%s.%s" %( run['name'].replace(' ', '_').replace('/', '_'), id )
-                run_name = "Run_%s.%s" % ( re.sub( r"[^A-Za-z1-9]", "_", run['name']), id)
+                run_name = "Run_%s.%s" % ( re.sub( r"[^A-Za-z0-9]", "_", run['name']), id)
                 
                 raw_data_dir = os.path.join( output_folder, project_name, run_name, "RawData"  )
                 if source_dir not in src_directories :