Add ptrace_scope check to dependency checking.
Fix annoying issue where soundsense expected gamelog in ../ by editing configuration.xml on the fly.
Add rudimentary (aka same as save_backup) backup and restore of soundsense audio packs.
Rework most calls to exit_with_error.
Add complete df folder backup with selective restore based on what issue(s) occurred.
Fix a few minor cleanup issues.
Fix issue where an upgrade from a folder that didn't contain a DF install would crash. Now it just errors nicely.
Add g++ and gcc checks as part of resolving https://github.com/andrewd18/df-lnp-installer/issues/20
Update steps for installation. Add Upgrade steps. Revbump Falconne plugin.
Add common issues section to the readme.
Fix link.
Add --skip-sha option.
Document --skip-sha argument.
Update ptrace warning message to point to the wiki.
Downloading files is slightly more modular (yay!) and errors when the download fails rather than exploding at the checksum or install phase.
Change Dwarf Therapist repo download steps to retroactively fix 0.2.0 repository fail (in the slim chance there are people with the wrong repo).