add from/to parameters when t=c
Merge pull request #13 from Akiyah/add_from_to_parameters_when_t_is_c

add from/to parameters when t=c
sidebar accordion
Merge pull request #17 from Akiyah/sidebarOpenCloseUIWithAccordion

sidebar accordion
remove X-Frame-Options in app, requires Kossy 0.27
escape dot for sidebar_collapse
add json