Upgrade twitter dependency to ~> 6.0

Author: sferik

.travis.yml

@@ -6,7 +6,7 @@ rvm:
   - 2.0.0
   - 2.1
   - 2.2
-  - 2.3.1
+  - 2.3.3
   - rbx-2
   - ruby-head
 

Gemfile

@@ -1,14 +1,9 @@
 source 'https://rubygems.org'
 
 gem 'rake'
-gem 'jruby-openssl', platforms: :jruby
 
 group :development do
   gem 'pry'
-  platforms :ruby_19, :ruby_20 do
-    gem 'pry-debugger'
-    gem 'pry-stack_explorer'
-  end
 end
 
 group :test do
@@ -17,7 +12,7 @@ group :test do
   gem 'rubocop', '>= 0.37'
   gem 'simplecov', '>= 0.9'
   gem 'timecop'
-  gem 'tins', '~> 1.6.0', platforms: :ruby_19
+  gem 'tins'
   gem 'webmock', '>= 1.10.1'
 end
 

t.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'oauth', '~> 0.4.7'
   spec.add_dependency 'retryable', '~> 2.0'
   spec.add_dependency 'thor', ['>= 0.19.1', '< 2']
-  spec.add_dependency 'twitter', '~> 5.16'
+  spec.add_dependency 'twitter', '~> 6.0'
   spec.add_development_dependency 'bundler', '~> 1.0'
   spec.author = 'Erik Michaels-Ober'
   spec.description = 'A command-line power tool for Twitter.'
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.licenses = %w(MIT)
   spec.name = 't'
   spec.require_paths = %w(lib)
-  spec.required_ruby_version = '>= 1.9.3'
+  spec.required_ruby_version = '>= 2'
   spec.summary = 'CLI for Twitter'
   spec.version = T::Version
 end