Cleanup error handling.

am_i_up/am_i_up.py

@@ -38,7 +38,8 @@ class Facts:
         build_info_getter_directory = None
         try:
             build_info_getter_directory = get_package_share_directory('build_info_getter')
-        except:
+        except Exception as e:
+            print("Can't find build info.\n{}".format(e))
             return None
         # Find and read the project_state.repos file in it.
         project_state_file = build_info_getter_directory + "/project_state.repos"
@@ -46,11 +47,10 @@ class Facts:
         try:
             with open(project_state_file, 'r') as file_obj:
                 project_state_content = yaml.safe_load(file_obj)
-        except:
+        except Exception as e:
             # We either didn't load the file or couldn't read it
             # as json.
-            # If we ignore the error, we'll respond with a None which is the right thing.
+            print("Can't find build info.\n{}".format(e))
-            pass
         return project_state_content
 
 class Routes: