Merge pull request #37 from benitoro/master

filter - front end code changes
Merge pull request #38 from benitoro/master

filter finish
Merge pull request #6 from datanium/master

pull request
Merge pull request #39 from benitoro/master

some fixes
Merge pull request #40 from benitoro/master

remove tabpanel
Merge pull request #41 from benitoro/master

bug fixes
Merge pull request #7 from datanium/master

pull request
add split function at backend
Merge pull request #42 from tonymouse/master

add split function of backend
Merge pull request #10 from datanium/master

pull split changes