1.1.1

• #12: add documentation to public-facing functions
• #13: add ib-os-copy-link to toggle copying or linking directories
• #14: add ib-parse-args to parse label and quiet args
• #15: add dry run options (global and per-action)
• #16: fix unbound variable in ib-pip-install
• #17: fix using grep with PCRE
• #18: add multiple line blocks with ib-os-append