To be open for voluntary pleas of guilty.

All county courts in this state, in addition to their regular trial terms as now provided by law, shall, at all times, Sundays excepted, be considered open for the reception of voluntary pleas of guilty in all criminal cases pending therein on information, indictment, affidavit, or complaint and for the rendition of judgments and passing of sentences, the same to be entered of record by the clerks of said courts as directed by said judges. And the judges of said courts, at all times, Sundays excepted, may receive such pleas of guilty, when voluntarily offered by the accused, and thereupon at once pronounce judgment of conviction and sentence upon such pleas and direct the entry of the same of record by the clerks of said courts.