Fix problem identification of names of channels: basically just added a strip()

src/channel.py

@@ -14,7 +14,7 @@ class Channel(Nextflow_Building_Blocks):
     """
 
     def __init__(self, name, origin):
-        self.name = name
+        self.name = name.strip()
         self.origin = origin
         to_call = self.get_name_processes_subworkflows()
         if(self.name in to_call):

src/operation.py

@@ -183,6 +183,7 @@ class Operation(Executor):
             channel.add_source(self)
 
     def add_origin(self, name):
+        name = name.strip()
         #Check that it's not already been added
         added = False
         for o in self.origins: