XMLFunctions.py
Big changes in GetAllData function to allow the return of keys with the values and also to replace the array of attributes to return with the keyword All, to return all the attributes.

ucsclass.py
- Added new average CPU power function for a compute node
- Added new function to get all the compute node xml data

myfunctions.py
- Added check for the ALL keyword in the attribute array

main.py
- Moved url to within the main class and renamed it to ucsURL