Libite (-lite) v2.0.0

Changes

• Remove tree(), moved to toolbox.git instead
• Remove fmode(), please use stat() instead, it's safer
• Add support for keeping mtime in copy() and rsync()
• Move source files to an src/ sub-directory
• Move initscr() from conio.h to conio.c
• Update docs, recommend mkpath() over makepath()
• Bump ABI version, major changes to library

Fixes

• Fix #7, inconsistent return value in mkpath() and makepath()
• Fix #8, constify mkpath() and makepath()