Relese 18.12.17

Bug fix release!

Fixed bugs:

• Chez and Larceny didn't accept string or bytevector as a pointer argument: #6
• Fixing pointer->bytevector incompatibility: #7
• Larceny SEGVed when a null pointer is passed as a pointer argument.

Release 18.10.04

Minor improvements for Chez Scheme:

• Removing custom runtime (#3)
• Returning a pointer instead of an integer if the c call is defined to return pointer (#4)
• Don't use eval on the compatible layer (#5)

Release 18.06.21

R6RS Portable FFI

New

• Chez Scheme v9.5 is supported.