Merge branch 'release/v0.1.3' into develop
Merge commit '1a6f8f1' into develop
Update help text
Lib folder organisation, fix extent background color bug.
Add logger
Update gemspec file
Fix space in help message, add version command line arg.
Add licence.txt
Misc cleanup
fix version number
Fix pre version name for gem
Add interrupt handler to tileup bin
Fix some log verbose log messages.
Bump version
Merge branch 'release/v0.1.4'
Merge branch 'release/v0.1.4' into develop
Update change log
Add auto-date to gemspec
Merge branch 'release/v0.1.4'