add (cut|copy|paste) keys
interface: replace 'json' with 'yajl'

and remove 'optparse' with --stream option
interface: minor style fix
interface: honor Kernel#sprintf and String#%
i3: log in alexherbo2@mawercer.de at startup
fish: add completions
rename edit-file to explore
update README
fish: alias 'x' to explore
explore: refactoring
kakrc: fix :mkd
xkbrc: add [∅✓✗] symbols
chronic: update doc
solarized.kak: update SecondaryCursor color alias
update color schemes to base16