- add usertask table to get the tasks joined with a user\n- change the status user into annotator. Remove user type other.- remove mb_convert_encoding function (if you would like to user HTML entities in your sentence you have to use the tokenization by space only, otherwise the splitting of the words is apply on ';' char of them. - improve statistic and agreement panel. - use customize color of the error task to hightlight the annotated words in the sentence.