AINI: Alex's Ini format

A specified subset of INI

Each line should be of the form:

key=value

keys cannot contain = or [. Keys and values cannot contain newlines. Each entry is newline separated.

sections are designated with:

[section]

Example implementation (messy, includes some app-specific code that it shouldn't):

=> https://git.alexwennerberg.com/crabmail/file/src/config.rs.html