Update Prolog

• Update to latest ichiban/prolog

v0.2.3

• Update ichiban/prolog to v0.10.4, fixing some encoding issues.

Full Changelog: v0.2.2...v0.2.3

v0.2.2

• Support SWI dictionaries in JSON-type responses (Prolog-type can't parse them)
• Return an error instead of panic when Prolog parser fails
• Fix auto-destroy in JSON format

Full Changelog: v0.2.1...v0.2.2

Minor fix

• Fixes unexported internal type accidentally being returned instead of the Answers interface for Client.Ask
• Minor code cleanup and README improvement

v0.2.0

• Prolog API supports the SourceText field now, giving it parity with the JSON API (fixes #4)
• pengine_rpc/3 now supports src_text(Atom) option
• Added a Denbug option to client config and debug(Boolean) option for pengine_rpc/3, which logs requests and responses.

Full Changelog: v0.1.2...v0.2.0

big Prolog speedup & bugfixes

• fix operator encoding (#5)
• massively improve Prolog format API speed
• fix pengine_rpc/3 hanging on failure
• more tests & docs

minor fixes

• removed some extraneous logging statements and types left in from prototyping
• updated docs

first release!

Major overhaul from the first alpha release.

• Rename Server → Client
• Add Prolog format support
• Lots more options
• Better README and docs