Relax dependencies for 3.0 release.

Author: gkellogg

Gemfile

@@ -2,21 +2,21 @@ source "http://rubygems.org"
 
 gemspec
 
-gem 'rdf',        github: "ruby-rdf/rdf",         branch: "develop"
-gem 'rdf-turtle', github: "ruby-rdf/rdf-turtle",  branch: "develop"
-gem 'ebnf',       github: "gkellogg/ebnf",        branch: "develop"
+gem 'rdf',        git: "https://github.com/ruby-rdf/rdf",         branch: "develop"
+gem 'rdf-turtle', git: "https://github.com/ruby-rdf/rdf-turtle",  branch: "develop"
+gem 'ebnf',       git: "https://github.com/gkellogg/ebnf",        branch: "develop"
 
 group :development do
   gem "byebug",   platforms: :mri
   gem 'psych',    platforms: [:mri, :rbx]
 end
 
 group :development, :test do
-  gem 'json-ld',        github: "ruby-rdf/json-ld",         branch: "develop"
-  gem 'rdf-spec',       github: "ruby-rdf/rdf-spec",        branch: "develop"
-  gem 'rdf-isomorphic', github: "ruby-rdf/rdf-isomorphic",  branch: "develop"
-  gem 'rdf-vocab',      github: "ruby-rdf/rdf-vocab",       branch: "develop"
-  gem 'sxp',            github: "dryruby/sxp.rb",           branch: "develop"
+  gem 'json-ld',        git: "https://github.com/ruby-rdf/json-ld",         branch: "develop"
+  gem 'rdf-spec',       git: "https://github.com/ruby-rdf/rdf-spec",        branch: "develop"
+  gem 'rdf-isomorphic', git: "https://github.com/ruby-rdf/rdf-isomorphic",  branch: "develop"
+  gem 'rdf-vocab',      git: "https://github.com/ruby-rdf/rdf-vocab",       branch: "develop"
+  gem 'sxp',            git: "https://github.com/dryruby/sxp.rb",           branch: "develop"
   gem "redcarpet",      platform: :ruby
   gem 'simplecov',      require: false, platform: :mri
   gem 'coveralls',      require: false, platform: :mri

rdf-trig.gemspec

@@ -25,16 +25,21 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version = '>= 2.2.2'
   gem.requirements          = []
-  gem.add_runtime_dependency     'rdf',             '~> 2.0'
+  #gem.add_runtime_dependency     'rdf',             '~> 3.0'
+  gem.add_runtime_dependency     'rdf',             '>= 2.2', '< 4.0'
   gem.add_runtime_dependency     'ebnf',            '~> 1.0', '>= 1.0.1'
-  gem.add_runtime_dependency     'rdf-turtle',      '~> 2.0'
-  gem.add_development_dependency 'json-ld',         '~> 2.0'
-  gem.add_development_dependency 'rspec',           '~> 3.2'
-  gem.add_development_dependency 'rspec-its',       '~> 1.0'
-  gem.add_development_dependency 'rdf-isomorphic',  '~> 2.0'
-  gem.add_development_dependency 'yard' ,           '~> 0.8'
-  gem.add_development_dependency 'rdf-spec',        '~> 2.0'
-  gem.add_development_dependency 'rake',            '~> 10'
+  #gem.add_runtime_dependency     'rdf-turtle',      '~> 3.0'
+  #gem.add_development_dependency 'json-ld',         '~> 3.0'
+  gem.add_runtime_dependency     'rdf-turtle',      '>= 2.2', '< 4.0'
+  gem.add_development_dependency 'json-ld',         '>= 2.1', '< 4.0'
+  gem.add_development_dependency 'rspec',           '~> 3.7'
+  gem.add_development_dependency 'rspec-its',       '~> 1.2'
+  #gem.add_development_dependency 'rdf-isomorphic',  '~> 3.0'
+  gem.add_development_dependency 'rdf-isomorphic',  '>= 2.0', '< 4.0'
+  gem.add_development_dependency 'yard' ,           '~> 0.9'
+  #gem.add_development_dependency 'rdf-spec',        '~> 3.0'
+  gem.add_development_dependency 'rdf-spec',        '>= 2.2', '< 4.0'
+  gem.add_development_dependency 'rake',            '~> 12.0'
 
   gem.post_install_message  = nil
 end