Merge branch 'release/0.2.0' into develop
#8 Change executable file name to katip
#11 Fix bug Current commits is not seen on log file
#9 Update rake job to use installed executable
#12 Add and correct information on gemspec
#10 add output file name as optional parameter
#13 Add custom file name support to rake
release version 1.0.0
Merge branch 'release/1.0.0'