0.4 in README
Demo and persistence test moved out.
Uses all the columns if the "searchcolumns" dynamic property  is not specified.
Code optimization.
Bugfix in criteria query with Hibernate
(illegalstateexception: No explicit selection and an implicit one cold not be determined)
Warning fix: java: Some input files use unchecked or unsafe operations.
Merge branch 'release/0.4' into develop