rescue and warn log
fix gemspec
Avoid NaN
add $log.debug
require_relative
Merge branch 'gemspec'
Merge remote-tracking branch 'sonots/rescue'
Merge remote-tracking branch 'sonots/debug_log'
Merge remote-tracking branch 'sonots/NaN'
Merge remote-tracking branch 'sonots/require_relative'
Version bump 0.1.1