- check if requested node exists in result document and default to None if not
nw udp send fix debug output
nw udp send fix debug output 2
preserve sort order
sqlite: on feature documentation
visu: plugin working on hixie
visu plugin: adding pong response to ping cmd. THX to Oliver Hinckel!!
Merge pull request #49 from ohinckel/fix-wettercom-missing-nodes

wetter.com plugin: check if expected nodes exist in result XML
rrd/sqlite docu added
- add datalog plugin which can be used to write item status into
  different log files
- support multiple datalogs in item configuration
- remove prefix in logger messages - already added by the system itself
- change field separator from "|" to ";"
- update field separator
- add var/log/data directory for datalog plugin
- fix headline
smarthome.conf item_change_log docu
Merge branch 'develop' of github.com:mknx/smarthome into develop
item docu: autotimer
- initial implementation of SML plugin
# useful to read data from optical interface from eHZ
adding attributes to match_item
scheduler change(): better string handling for crontabs. THX walldi