Add EXCL + CKC to defaults.toml + update AUR block confirmations required
Basically written, needs testing and stage mode protection
Fix dictionary key collision by switching to list
Add stage safety check
Adds a 'currencies' attribute to chain config
Move random shares fixture generation to base test class
Make test fixture chain 1 correct
Add a "stale" attribute to cached network data
Add a share slice cleanup task. Closes #129
Removes now unneeded management cleanup command
Adds tests for cleanup management command
Fixes minor typo in share cleanup task
A few more bugfixes for the new chain cleanup

* Didn't properly handle hitting empty slices in initial share counting
* Simulate mode printed all the way to 0
* Finding share slices for summing would loop all the way to zero without empty counting
Older slice indexes are smaller. Oops
Updates default scheduled times
Significant rewrite of readme.md to include some basic installation instructions & give credit to contributors
fix confict
merge from simplecrypto