Fixed bugs:

• u8-list->bytevector returned () when given list contains non u8 value. #115
• (rfc http) might not read all response.

Improvements:

• Cached library also shows source location if available.
• &system is raised when system call or OS related operation failed.
• (text markdown) is rewritten to mostly compatible with peg-markdown.
• (text markdown) is documented.
• Textual port with UTF-16 codec now emits BOM. #116
• (sagittarius ffi) now exports make-c-callback as well.
• Performance of (text csv) has been improved.
• CSV parser is now accepts all characters if entry is quoted.

New features:

• Luhn algotirhm library (math luhn) has been added.
• define-inline has been added to (sagittarius control).