generating an interpretation for an example: each attribute becomes one fact; also added support for discretization intervals

orange convert table supports no class datasets
database context supports multiple relations between two tables
wordification lowered time complexity
wordification w-items feature

wordification "sentence" caching
dbcontext bug ko sta dve entiti imeli lahko le eno relacijo med njima

- wordification widget
- popravki v DBcontext
- database to orange converter deluje na več tabelah

fixed a problem that occured if a mysql column contains strings with accents - strings that differ only by accents are treated as equal by MySQL  when doing distinct on that column. added a workaround by doing distinct by looking at the binary values instead. also added pretty print for DBContext.

- premaknjeno iskanje vseh vrednosti iz Database Context v Database to Orange Table

fixed the following: check the connection in mysql connect; pull the foreign keys only for the selected db; added escape symbols for columns in SQL queries; moved the attribute value selection dialog out of DB Context widget, since this should be the job of the learner.