Add latest option for cli
Use #say for showing reports and dye it
Rename current_reports => cached_reports
Show command now shows only recent reports by default

it can show all cached reports by option `--more`
Move login state to Nicorepo from Cli
Return immediately if nicorepo leached to oldest page that is specified by :since option
Improve fetch response when both :since and :kind filters are specified

When reports size was zero due to :kind filter,
:since filter tries to check the next page even if it leaches the oldest page