+ __delitem__
  del v['option']
  del v['section':'option']
corrected issue with ['java':'java_xms'] not existing stopping command_start
returning memory as human-readable string
+ sizeof_fmt()
+ reintroduction of mc.DEFAULT_PATHS
+ description of _homepath change-ability
fixed issue with config_file "use_sections":
  property didnt work because SafeConfigParser is old-style class
  changed all property changes to function calls