added stringr to depends in description
Corrected dst_get_data param description for value presentation
changed object name in dst_get_data from data to dst_data
Option to build query in ... in dst_get_data
added basic functionality to create query from input in ... in the function dst_get_data. Added dst_correct_url to correct from Latin-1 to UTF-8.
added dst_correct_url and documented package
Added new example to README and corrected a error
new png