trimspace before check single line comment

  SplitStatement check if single comment line is in multi-line sql.

  pure comment line should break quickly, single comment in multi-line
  sql should wait for line delimiter

  1. go version move into Makefile
  2. add golden test for ast
  3. explainAbleSQL use tidb parser also

  1. SplitStatement mulitstatement eof bug
  2. empty query by pass

  #47 pretty print function `format` endless loop
  #37 -report-type not in (markdown, html) will not print score