URL: /api/stations/data

Parameters:

* id - station id (int) (mandatory)
* limit - limit number of output samples (0 means unlimited output) (int) (default: 1000)
* from,to - unix timestamps to form time interval to select the data from (0 means no bound for 'from' or 'to' respectively) (int) (default: 0)

Examples:

* /api/stations/data?id=1
# Returns 1000 first samples for the station_id=1

* /api/stations/data?id=2&limit=77
# Returns first 77 samples for the station_id=2

* /api/stations/data?id=3&from=1234567890&limit=0
# Returns all samples from Fri, 13 Feb 2009 23:31:30 GMT for station_id=3

* /api/stations/data?id=4&to=1234567890
# Returns all samples up to Fri, 13 Feb 2009 23:31:30 GMT for station_id=4