Initial commit
Update readme
 #3 Add logger file

Logger file is rewritten by adding a default output file setting
CHANGELOG.md. Who runs the logger file may override output file
by adding a parameter after the command
 #4 Add CHANGELOG.md file

CHANGELOG.md file is generated by the logger daktilo
and added as current output
#6 Set gem
#6 Set gem
#6 Update gemspec
Merge branch 'release/0.1.0'