issue#394 - resolve issue#394's 1&2 ticket
issue#394 - resolve issue#394's 1&2 ticket
[#402] Improved jittery scroll
Merge pull request #403 from k88hudson/hopping

[#402] Improved jittery scroll
Merge pull request #399 from kevin000/issue#394

issue#394 - resolve issue#394's 1&2 ticket