pep8 cleaups
Merge branch 'master' into dev
print some info only if verbose is true
added delete node call

added node creation and deletion to realtime event monitor

added call set_user_credentials() for changing admin login and passwd
fix typo
Fixed but involving case where ISY has no vars defined.
fix XML with workaround
Proof of concept for monitoring network for setting home automation use
added better error reporting when bad xml is encountered

added method to reload/refresh vars

added method to rename vars ( may need testing )
app to manage nodes

rename, discovery, delete
added wrappers for :
    getsystemdatetime
    startuptime
Added  set_debug_level/get_debug_level

Improved Event reporting
bump verion to 0.1.20140704
bump verion to 0.1.20140704