Making test script a bit more robust
Fixes bug #7688
Merge branch 'master' into delimited_text_bug_fixes_2
Fixing problem with very long data fields corrupting preview table (Qt framework not handling very long strings?)
Fixing potentially very long field names when reading arbitrary data from CSV files - reduced max length to 200
Let users know if no data displayed because all records are badly formatted
Merge branch 'master' into delimited_text_bug_fixes_2
Merge branch 'master' into delimited_text_bug_fixes_2
Using common code for list of encodings
Added check of dataSourceUri to tests
Refactoring code from iterator to provider
Substring working - tests not in place yet
Adding subset test and help information
Comment changed only
Merge branch 'master' into delimited_text_bug_fixes_2
Merge branch 'delimited_text_bug_fixes_2' into delimited_text_substring_capability
Merge pull request #569 from ccrook/delimited_text_substring_capability

Delimited text substring capability - also bug #7742