Fixed #7100: Short Free Text is limited to 20 characters (but DB is 255 varchar). Changed maximum length for short free text to match database variable length (65534 chars).
Merge remote-tracking branch 'LimeSurvey/master'
Changed maximum length for short free text to 4000 chars in order to maintain compatibility.
Merge pull request #68 from seanrife/master

Fixed issue #7100: Short Free Text is limited to 20 characters