check required ruby-oci8 version
check required ruby-oci8 version

JDominator/ruby-plsql,rsim/ruby-plsql,rsim/ruby-plsql,jgebal/ruby-plsql,jgebal/ruby-plsql,flash-gordon/ruby-plsql,yahonda/ruby-plsql,JDominator/ruby-plsql,jgebal/ruby-plsql,yahonda/ruby-plsql