put in support for {string_value => ""} dependency rules
put in support for {string_value => ""} dependency rules

zoul/open-data-certificate,Motejl/open-data-certificate,ahmadassaf/open-data-certificate,theodi/open-data-certificate,istvan-antal/open-data-certificate,ahmadassaf/open-data-certificate,Motejl/open-data-certificate,istvan-antal/open-data-certificate,theodi/open-data-certificate,zoul/open-data-certificate,theodi/open-data-certificate,istvan-antal/open-data-certificate,zoul/open-data-certificate,ahmadassaf/open-data-certificate,Motejl/open-data-certificate,theodi/open-data-certificate,zoul/open-data-certificate,ahmadassaf/open-data-certificate,Motejl/open-data-certificate