netcalc v2.1.7

Changes

• Allow colorized output over pipes, use -n to disable. This reverts the auto-disable in pipes, introduced in v2.1

Fixes

• Fix #25: Add missing include file for macOS
• Fix compiler warnings on NetBSD, possibly other BSDs
• Add missing include file for NetBSD, possibly other BSDs
• Various minor GCC 13 and Clang 18 warnings