Memory leak exists in the function runCmd() in the class QueryRunner.
Merge pull request #18 from xielong/master

fix:Memory leak exists in the function runCmd() in the class QueryRunner.
fix: DownLoad result does not correctly detect UTF-8 encoding.
Merge pull request #1 from anjuke/master

Consolidation of the changes from anjuke
Merge pull request #20 from xielong/master

fix: DownLoad result does not correctly detect UTF-8 encoding.
fix bug of my queries, add init hql support.
initsqls support multiple hql.