Fix URL generated by getADDEImage. [1303]

No longer setting the project number as the value for "DEBUG".
New keyword names in listADDEImages results. [1303]

* "band" is now "bandNumber".

* "unit" is now "unitType".
Fix URL generated by listADDEImages. [1303]

I forgot to prepend the "LATLON"/"LINELE" URL parameters with "&".
listADDEImages results closer to getADDEImage. [1303]

In other words, the dictionaries returned by listADDEImages now contain
key/value pairs for the following keys:

'bands', 'calinfo', 'calibration-scale-factor', 'calibration-type',
'calibration-unit-name', 'center-latitude',
'center-latitude-resolution', 'center-longitude',
'center-longitude-resolution', 'directory-block', 'elements', 'lines',
'memo-field', 'nominal-time', 'band-count', 'sensor-id', 'sensor-type',
'source-type', 'start-time', 'url'