[Ohrrpgce] SVN: teeemcee/10505 More flexible read_config_str, accepts a second prefix

[subversion at HamsterRepublic.com]

teeemcee
2018-08-18 17:52:55 -0700 (Sat, 18 Aug 2018)
235
More flexible read_config_str, accepts a second prefix

This definitely seems like too much complexity, but the existing prefix
searching wasn't flexible enough for me.

Also, it loads the ini file once instead of repeatedly opening it
---
U   wip/common.bi
U   wip/common.rbas