toolbar handlers
fixed bug with recursive calls
examples updated
examples updated
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
examples pics
examples pics
Merge branch 'v0.3' of https://github.com/haslab/echo into v0.3
Update README.md
Update README.md
example pics
Merge branch 'v0.3' of https://github.com/haslab/echo into v0.3
Update README.md
Update README.md
example pics
Merge branch 'v0.3' of https://github.com/haslab/echo into v0.3