Cleanup goby binary executable for the case that test fails

Update go.mod

Fix #555

Split lexer tests into smaller pieces

Fix object_id method

Use equalTo() as a interface for equality comparison

[Refactor] Use Token Factory Method

Implement dup

Implement Object#tap

Return error when found invalid assignment value (currently ignore)

Show instance variables in the result of #inspect

Remove the values of instance variables from ...

Update slack self-invite service's url

Add desc for using goby in spacevim

Add Go 1.13.x to .travis.yml

Drop 'trusty' from the yaml https://github.com/travis-ci/travis-ci/issues/9928

Reduce 'bionic' ...

Temporarily remove race condition check for tests

That's not Goby's top concern at the moment as it still lacks of many
features. And the cause of...

Implements kind_of? to builtinClassCommonInstanceMethods

When I was writing test code for goby.
I noticed that ruby has kind_of? method. goby doesn't hav...

Fix a typo

Update demo screen

Used the official way to embed the asciinema movie.

Migrate to Go modules

Making Go 1.11 or earlier out-of-scope

Integer#times should return an Enumerator

Fix type in contribute note :)

Travis: use built-in support for forks (`go_import_path`)

By using the `go_import_path` setting, we don't need to write a script to workaround the (Go) re...

Add xenial to matrix of Travis builds

With the current setup, the Trusty+1.11 build breaks, so it's excluded.

Current solution is a kind of cheating. We use the receiver integer to
generate a (0..num) range...

Add inspect to "Object" interface

Fix #378: handle multiple double single quotation on igb REPL

REPL
- Update manual test scripts for igb REPL

Temporal commit

Fix prompt

Fix FSM

Remove redundant copy

Remove the redundant line