Merge branch 'fix_yaml_name_clash' into 'master'

Fix name clash caused by directory "yaml"

See merge request !2

hwdev.py

 import yaml;
 import importlib
 import sys, inspect
-YAMLDIR='yaml/'
+YAMLDIR='YAML/'
 class hwdev:
     def __init__(self,configfile):
         print("Loading:",configfile)