Fill in correct date.
Change color theme to "whale".
Add introduction section.
Make shell code boxes fancier.
Add internals section.
Add setup_objects_demo script and adjust .gitignore accordingly.
Rename handling.tex to usage.tex.
Update usage.tex section name.
Add "Using Git" section.
Insert separate subsection for information retrieval.
Add collaboration section.
Add setup_rebase_demo script and adjust .gitignore.
Add "Typical workflow" as a subsection of "Collaboration".
Add setup_workflow_demo script and adjust .gitignore.
Add "Conclusion" section.
Mention examples in README.