Add [1] to select the first supported format
Add [1] to use only the first BBox
structure adjustment
updated readme file
Merge pull request #6 from lat-lon/cannot-convert-string-to-xs-decimal-1

Use the first BBox for request only
Merge pull request #5 from lat-lon/invalid-parameter-value-for-format-3

Add [1] to select the first supported format