1. Fix request URLs for testing in Docker
2. Refactor source code:
   - src/cli/connect.c
   - src/cli/rest_mlcp.h
3. Universal Makefile for POSIX and Win32
4. Add -Werror to makefiles
5. Set 755 permissions to ./perl/iosrv.pl
6. Round to %.03f tag values at ./perl/iosrv.pl