diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86164ac..597ddfb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,29 @@
 # Change Log
 
+## [1.13.1](https://github.com/skywinder/github-changelog-generator/tree/1.13.1) (2016-07-22)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.13.0...1.13.1)
+
+**Implemented enhancements:**
+
+- Don't constrain runtime deps. [\#400](https://github.com/skywinder/github-changelog-generator/pull/400) ([jkeiser](https://github.com/jkeiser))
+
+**Fixed bugs:**
+
+- `--user` flag should not be ignored [\#397](https://github.com/skywinder/github-changelog-generator/issues/397)
+- GHE not working with --github-site set to an enterprise site [\#395](https://github.com/skywinder/github-changelog-generator/issues/395)
+
+**Closed issues:**
+
+- Contributors Section [\#398](https://github.com/skywinder/github-changelog-generator/issues/398)
+
+**Merged pull requests:**
+
+- Ability to implicity set user and project from command line [\#401](https://github.com/skywinder/github-changelog-generator/pull/401) ([skywinder](https://github.com/skywinder))
+- Show how to use it with Rakefile [\#399](https://github.com/skywinder/github-changelog-generator/pull/399) ([edusantana](https://github.com/edusantana))
+- Adds documentation on using a GHE endpoint [\#396](https://github.com/skywinder/github-changelog-generator/pull/396) ([cormacmccarthy](https://github.com/cormacmccarthy))
+- Rake task usage: Added a missing option exclude\_tags\_regex [\#393](https://github.com/skywinder/github-changelog-generator/pull/393) ([perlun](https://github.com/perlun))
+- Parser: YARD docstrings and a rename, and RegExp named capture groups [\#391](https://github.com/skywinder/github-changelog-generator/pull/391) ([olleolleolle](https://github.com/olleolleolle))
+
 ## [1.13.0](https://github.com/skywinder/github-changelog-generator/tree/1.13.0) (2016-07-04)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.12.1...1.13.0)
 
diff --git a/Gemfile b/Gemfile
index 093f773..3231675 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,4 +10,6 @@ group :test do
   gem "coveralls", "~>0.8", require: false
   gem "simplecov", "~>0.10", require: false
   gem "codeclimate-test-reporter", "~>0.4"
+  # JSON 2.0.1 is ruby 2.0+
+  gem "json", "< 2.0"
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index f8c6a1d..fc93bed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,24 +1,24 @@
 PATH
   remote: .
   specs:
-    github_changelog_generator (1.13.0)
-      colorize (~> 0.7)
-      github_api (~> 0.12)
+    github_changelog_generator (1.13.1)
+      colorize (>= 0.7)
+      github_api (>= 0.12)
       rake (>= 10.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.4.0)
-    ast (2.2.0)
+    ast (2.3.0)
     childprocess (0.5.9)
       ffi (~> 1.0, >= 1.0.11)
-    codeclimate-test-reporter (0.5.0)
+    codeclimate-test-reporter (0.6.0)
       simplecov (>= 0.7.1, < 1.0.0)
-    colorize (0.7.7)
-    coveralls (0.8.13)
-      json (~> 1.8)
-      simplecov (~> 0.11.0)
+    colorize (0.8.1)
+    coveralls (0.8.14)
+      json (>= 1.8, < 3)
+      simplecov (~> 0.12.0)
       term-ansicolor (~> 1.3)
       thor (~> 0.19.1)
       tins (~> 1.6.0)
@@ -28,59 +28,58 @@ GEM
     docile (1.1.5)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.10)
-    github_api (0.13.1)
+    ffi (1.9.14)
+    github_api (0.14.4)
       addressable (~> 2.4.0)
       descendants_tracker (~> 0.0.4)
       faraday (~> 0.8, < 0.10)
       hashie (>= 3.4)
-      multi_json (>= 1.7.5, < 2.0)
-      oauth2
+      oauth2 (~> 1.0.0)
     hashie (3.4.4)
     iniparse (1.4.2)
     json (1.8.3)
-    jwt (1.5.1)
-    multi_json (1.12.0)
+    jwt (1.5.4)
+    multi_json (1.12.1)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
-    oauth2 (1.1.0)
+    oauth2 (1.0.0)
       faraday (>= 0.8, < 0.10)
-      jwt (~> 1.0, < 1.5.2)
+      jwt (~> 1.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (>= 1.2, < 3)
-    overcommit (0.33.0)
+      rack (~> 1.2)
+    overcommit (0.34.2)
       childprocess (~> 0.5.8)
       iniparse (~> 1.4)
-    parser (2.3.1.0)
+    parser (2.3.1.2)
       ast (~> 2.2)
     powerpack (0.1.1)
     rack (1.6.4)
     rainbow (2.1.0)
-    rake (11.1.2)
-    rspec (3.4.0)
-      rspec-core (~> 3.4.0)
-      rspec-expectations (~> 3.4.0)
-      rspec-mocks (~> 3.4.0)
-    rspec-core (3.4.4)
-      rspec-support (~> 3.4.0)
-    rspec-expectations (3.4.0)
+    rake (11.2.2)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.1)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-mocks (3.4.1)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-support (3.4.1)
-    rubocop (0.39.0)
-      parser (>= 2.3.0.7, < 3.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+    rubocop (0.41.2)
+      parser (>= 2.3.1.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.8.0)
-    simplecov (0.11.2)
+    ruby-progressbar (1.8.1)
+    simplecov (0.12.0)
       docile (~> 1.1.0)
-      json (~> 1.8)
+      json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
     term-ansicolor (1.3.2)
@@ -88,7 +87,7 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.5)
     tins (1.6.0)
-    unicode-display_width (1.0.5)
+    unicode-display_width (1.1.0)
 
 PLATFORMS
   ruby
@@ -98,6 +97,7 @@ DEPENDENCIES
   codeclimate-test-reporter (~> 0.4)
   coveralls (~> 0.8)
   github_changelog_generator!
+  json (< 2.0)
   overcommit
   rake
   rspec (>= 3.2)
diff --git a/github_changelog_generator.gemspec b/github_changelog_generator.gemspec
index afa79b7..178cb73 100644
--- a/github_changelog_generator.gemspec
+++ b/github_changelog_generator.gemspec
@@ -24,11 +24,11 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "rake", ">= 10.0"
-  spec.add_runtime_dependency("github_api", ["~> 0.12"])
-  spec.add_runtime_dependency("colorize", ["~> 0.7"])
+  spec.add_runtime_dependency "github_api", ">= 0.12"
+  spec.add_runtime_dependency "colorize", ">= 0.7"
 
-  spec.add_development_dependency("overcommit", ">= 0.31")
-  spec.add_development_dependency("rspec", ">= 3.2")
+  spec.add_development_dependency "overcommit", ">= 0.31"
+  spec.add_development_dependency "rspec", ">= 3.2"
   spec.add_development_dependency "bundler", ">= 1.7"
-  spec.add_development_dependency("rubocop", ">= 0.31")
+  spec.add_development_dependency "rubocop", ">= 0.31"
 end
diff --git a/lib/github_changelog_generator/parser.rb b/lib/github_changelog_generator/parser.rb
index 8dbeb4f..e99fc7a 100755
--- a/lib/github_changelog_generator/parser.rb
+++ b/lib/github_changelog_generator/parser.rb
@@ -14,7 +14,7 @@ module GitHubChangelogGenerator
       parser = setup_parser(options)
       parser.parse!
 
-      user_and_project_from_git(options)
+      fetch_user_and_project(options)
 
       abort(parser.banner) unless options[:user] && options[:project]
 
@@ -61,7 +61,7 @@ module GitHubChangelogGenerator
         opts.on("-b", "--base [NAME]", "Optional base file to append generated changes to.") do |last|
           options[:base] = last
         end
-        opts.on("--bugs-label [LABEL]", "Setup custom label for bug-fixes section. Default is \"**Fixed bugs:**""") do |v|
+        opts.on("--bugs-label [LABEL]", "Setup custom label for bug-fixes section. Default is \"**Fixed bugs:**\"") do |v|
           options[:bug_prefix] = v
         end
         opts.on("--enhancement-label [LABEL]", "Setup custom label for enhancements section. Default is \"**Implemented enhancements:**\"") do |v|
@@ -208,24 +208,34 @@ module GitHubChangelogGenerator
     end
 
     # If `:user` or `:project` not set in options, try setting them
-    def self.user_and_project_from_git(options)
+    # Valid unnamed parameters:
+    # 1) in 1 param: repo_name/project
+    # 2) in 2 params: repo name project
+    def self.fetch_user_and_project(options)
       if options[:user].nil? || options[:project].nil?
-        detect_user_and_project(options, ARGV[0], ARGV[1])
+        user, project = user_and_project_from_git(options, ARGV[0], ARGV[1])
+        options[:user] ||= user
+        options[:project] ||= project
       end
     end
 
     # Sets `:user` and `:project` in `options` from CLI arguments or `git remote`
-    def self.detect_user_and_project(options, arg0 = nil, arg1 = nil)
-      options[:user], options[:project] = user_project_from_option(arg0, arg1, options[:github_site])
-      return if options[:user] && options[:project]
-
-      if ENV["RUBYLIB"] =~ /ruby-debug-ide/
-        options[:user] = "skywinder"
-        options[:project] = "changelog_test"
-      else
-        remote = `git config --get remote.#{options[:git_remote]}.url`
-        options[:user], options[:project] = user_project_from_remote(remote)
+    # @param [String] arg0 first argument in cli
+    # @param [String] arg1 second argument in cli
+    # @return [Array<String>] user and project, or nil if unsuccessful
+    def self.user_and_project_from_git(options, arg0 = nil, arg1 = nil)
+      user, project = user_project_from_option(arg0, arg1, options[:github_site])
+      unless user && project
+        if ENV["RUBYLIB"] =~ /ruby-debug-ide/
+          user = "skywinder"
+          project = "changelog_test"
+        else
+          remote = `git config --get remote.#{options[:git_remote]}.url`
+          user, project = user_project_from_remote(remote)
+        end
       end
+
+      [user, project]
     end
 
     # Returns GitHub username and project from CLI arguments
@@ -245,7 +255,6 @@ module GitHubChangelogGenerator
       if arg0 && !arg1
         # this match should parse  strings such "https://github.com/skywinder/Github-Changelog-Generator" or
         # "skywinder/Github-Changelog-Generator" to user and name
-        puts arg0
         match = /(?:.+#{Regexp.escape(github_site)}\/)?(.+)\/(.+)/.match(arg0)
 
         begin
diff --git a/lib/github_changelog_generator/task.rb b/lib/github_changelog_generator/task.rb
index 584dd6b..4ff4bf5 100644
--- a/lib/github_changelog_generator/task.rb
+++ b/lib/github_changelog_generator/task.rb
@@ -46,7 +46,7 @@ module GitHubChangelogGenerator
         # mimick parse_options
         options = Parser.default_options
 
-        Parser.user_and_project_from_git(options)
+        Parser.fetch_user_and_project(options)
 
         OPTIONS.each do |o|
           v = instance_variable_get("@#{o}")
diff --git a/spec/unit/parse_file_spec.rb b/spec/unit/parse_file_spec.rb
index 832904a..ad26aee 100644
--- a/spec/unit/parse_file_spec.rb
+++ b/spec/unit/parse_file_spec.rb
@@ -48,7 +48,7 @@ describe GitHubChangelogGenerator::ParserFile do
                                           header: "=== Changelog ==="))
       end
 
-      context "turns exclude-labels into an Array", bug: '#327' do
+      context "turns exclude-labels into an Array", bug: "#327" do
         let(:file) do
           StringIO.new(<<EOF
 exclude-labels=73a91042-da6f-11e5-9335-1040f38d7f90,7adf83b4-da6f-11e5-ae18-1040f38d7f90
diff --git a/spec/unit/parser_spec.rb b/spec/unit/parser_spec.rb
index 6e2fe9d..2a72767 100644
--- a/spec/unit/parser_spec.rb
+++ b/spec/unit/parser_spec.rb
@@ -56,5 +56,25 @@ describe GitHubChangelogGenerator::Parser do
       it { is_expected.to be_a(Array) }
       it { is_expected.to match_array([nil, nil]) }
     end
+    context "when all args is not nil" do
+      subject { GitHubChangelogGenerator::Parser.user_project_from_option("skywinder/ActionSheetPicker-3.0", "blah", "https://codeclimate.com") }
+      it { is_expected.to be_a(Array) }
+      it { is_expected.to match_array([nil, nil]) }
+    end
+  end
+  describe ".fetch_user_and_project" do
+    before :each do
+      ARGV = ["https://github.com/skywinder/github-changelog-generator"]
+    end
+    context do
+      let(:valid_user) { "initialized_user" }
+      let(:options) { { user: valid_user } }
+      let(:options_before_change) { options.dup }
+      it "should leave user unchanged" do
+        expect { GitHubChangelogGenerator::Parser.fetch_user_and_project(options) }.to change { options }
+          .from(options_before_change)
+          .to(options_before_change.merge(project: "github-changelog-generator"))
+      end
+    end
   end
 end