fix when the first char is \, it cause UnquoteChar to return syntax e…

fix for buffer limit in loading string

Handle write and read errors.

This makes it simpler to handle errors in code importing this package.

Implement r opcode LONG_BINPUT

Fix struct encoding

There was accidentally an extra empty dict.  Also, reduce the scope of a
local variable.

Changed the filenames ogórek.go and ogórek_test.go to use the precomposed Latin Small Letter O With Acute.

Changed the filenames for `ogórek.go` and `ogórek_test.go` use the precomposed Latin Small Letter O With Acute.

printf verb fix

Global and reduce implementation

Implement the TUPLE2 Opcode

d.marker() doesn't seem to be the proper way to get stack length, use #'len on d.stack for #'loadTuple2 instead

out of the top two items on the stack.'

Implement binunicode and long1

Remove binary.{Read,Write} in favour of doing it by hand

Improve test coverage