key word argument get (kwg)

a common usage -especially when overloading class- is to use `*args` array and `**kwargs` dictionary to handle method's arguments

this snippet is usefull to quickly get the argument value from the keyword arguments dictionary -kwargs- or setting a default value
remove useless $0
lkwg LocalKeyWordargumentGet
Merge pull request #342 from WnP/patch-2

key word argument get (kwg)