diff --git a/.gitignore b/.gitignore
index e69de29..404abb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+coverage/
diff --git a/README.md b/README.md
index de5803f..399da6b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![Gem Version](https://badge.fury.io/rb/github_changelog_generator.svg)](http://badge.fury.io/rb/github_changelog_generator)
-[![Dependency Status](https://gemnasium.com/skywinder/github-changelog-generator.svg)](https://gemnasium.com/skywinder/github-changelog-generator)
+[![Dependency Status](https://gemnasium.com/skywinder/github-changelog-generator.svg)](https://gemnasium.com/skywinder/github-changelog-generator)
 [![Build Status](https://travis-ci.org/skywinder/github-changelog-generator.svg?branch=master)](https://travis-ci.org/skywinder/github-changelog-generator)
 [![Inline docs](http://inch-ci.org/github/skywinder/github-changelog-generator.svg)](http://inch-ci.org/github/skywinder/github-changelog-generator)
 [![Code Climate](https://codeclimate.com/github/skywinder/github-changelog-generator/badges/gpa.svg)](https://codeclimate.com/github/skywinder/github-changelog-generator)
@@ -32,7 +32,7 @@ To make it easier for users and contributors to see precisely what notable chang
 ### *Why should I care?*
 Because software tools are for people. If you don’t care, why are you contributing to open source? Surely, there must be a kernel (ha!) of care somewhere in that lovely little brain of yours.
 
-> :copyright: *[http://keepachangelog.com](http://keepachangelog.com/)*
+> :arrow_right: *[http://keepachangelog.com](http://keepachangelog.com/)*
 
 ## Installation
 
@@ -117,7 +117,7 @@ It's time to create this token or wait for 1 hour before GitHub reset the counte
 ## Migrating from a manual changelog
 
 Knowing how dedicated you are to your project, you probably haven't been waiting for github-changelog-generator to keep a changelog,
-but you most likely wouln't like to have to open issues and PRs for all past features listed in your historic changelog.
+but you most likely wouldn't like to have to open issues and PRs for all past features listed in your historic changelog.
 
 That's where `--base` comes handy. This option lets you pass a static changelog to be appended at the end of the generated entries.
 
diff --git a/lib/github_changelog_generator/parser.rb b/lib/github_changelog_generator/parser.rb
index 5001ad6..46ffdef 100644
--- a/lib/github_changelog_generator/parser.rb
+++ b/lib/github_changelog_generator/parser.rb
@@ -7,22 +7,16 @@ module GitHubChangelogGenerator
   class Parser
     # parse options with optparse
     def self.parse_options
-      options = get_default_options
+      options = default_options
 
-      parser_file = ParserFile.new options
-      parser_file.parse!
+      ParserFile.new(options).parse!
 
       parser = setup_parser(options)
       parser.parse!
 
-      if options[:user].nil? || options[:project].nil?
-        detect_user_and_project(options, ARGV[0], ARGV[1])
-      end
+      user_and_project_from_git(options)
 
-      if !options[:user] || !options[:project]
-        puts parser.banner
-        exit
-      end
+      abort(parser.banner) unless options[:user] && options[:project]
 
       print_options(options)
 
@@ -165,8 +159,8 @@ module GitHubChangelogGenerator
     end
 
     # just get default options
-    def self.get_default_options
-      options = {
+    def self.default_options
+      {
         tag1: nil,
         tag2: nil,
         date_format: "%Y-%m-%d",
@@ -194,21 +188,25 @@ module GitHubChangelogGenerator
         enhancement_prefix: "**Implemented enhancements:**",
         git_remote: "origin"
       }
+    end
 
-      options
+    def self.user_and_project_from_git(options)
+      if options[:user].nil? || options[:project].nil?
+        detect_user_and_project(options, ARGV[0], ARGV[1])
+      end
     end
 
     # Detects user and project from git
     def self.detect_user_and_project(options, arg0 = nil, arg1 = nil)
       options[:user], options[:project] = user_project_from_option(arg0, arg1, options[:github_site])
-      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)
-        end
+      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)
       end
     end
 
diff --git a/lib/github_changelog_generator/parser_file.rb b/lib/github_changelog_generator/parser_file.rb
index b8a77e2..df92814 100644
--- a/lib/github_changelog_generator/parser_file.rb
+++ b/lib/github_changelog_generator/parser_file.rb
@@ -1,4 +1,6 @@
 module GitHubChangelogGenerator
+  ParserError = Class.new(StandardError)
+
   class ParserFile
     def initialize(options)
       @options = options
@@ -22,7 +24,7 @@ module GitHubChangelogGenerator
       value = false if value =~ (/^(false|f|no|n|0)$/i)
       @options[key_sym] = value
     rescue
-      raise "Config file #{file} is incorrect in line \"#{line.gsub(/[\n\r]+/, '')}\""
+      raise ParserError, "Config file #{file} is incorrect in line \"#{line.gsub(/[\n\r]+/, '')}\""
     end
 
     # Returns a the setting as a symbol and its string value sans newlines.
diff --git a/lib/github_changelog_generator/reader.rb b/lib/github_changelog_generator/reader.rb
index f46301f..d0d65b2 100644
--- a/lib/github_changelog_generator/reader.rb
+++ b/lib/github_changelog_generator/reader.rb
@@ -53,31 +53,28 @@ module GitHubChangelogGenerator
 
       @heading_structures.each do |regexp|
         matches = Regexp.new(regexp).match(heading)
-        captures.merge!(Hash[matches.names.map.zip(matches.captures)]) unless matches.nil?
-
-        # Try Regular Expressions until you find one that delivers results
-        break unless matches.nil?
+        if matches
+          captures.merge!(Hash[matches.names.zip(matches.captures)])
+          break
+        end
       end
 
       captures
     end
 
-    # Parse the given ChangeLog data into a Hash
+    # Parse the given ChangeLog data into a list of Hashes
     #
     # @param [String] data File data from the ChangeLog.md
-    # @return [Hash] Parsed data, e.g. [{ 'version' => ..., 'url' => ..., 'date' => ..., 'content' => ...}, ...]
+    # @return [Array<Hash>] Parsed data, e.g. [{ 'version' => ..., 'url' => ..., 'date' => ..., 'content' => ...}, ...]
     def parse(data)
       sections = data.split(/^## .+?$/)
       headings = data.scan(/^## .+?$/)
-      changelog = []
 
-      headings.each_with_index do |heading, index|
-        captures = parse_heading(heading)
-        captures["content"] = sections.at(index + 1)
-        changelog.push captures
+      headings.each_with_index.map do |heading, index|
+        section = parse_heading(heading)
+        section["content"] = sections.at(index + 1)
+        section
       end
-
-      changelog
     end
 
     def read(file_path)
diff --git a/lib/github_changelog_generator/task.rb b/lib/github_changelog_generator/task.rb
index 8903833..e87f7f2 100644
--- a/lib/github_changelog_generator/task.rb
+++ b/lib/github_changelog_generator/task.rb
@@ -43,11 +43,9 @@ module GitHubChangelogGenerator
 
       task @name do
         # mimick parse_options
-        options = Parser.get_default_options
+        options = Parser.default_options
 
-        if options[:user].nil? || options[:project].nil?
-          Parser.detect_user_and_project(options)
-        end
+        Parser.user_and_project_from_git(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 eb8af0c..92d56e6 100644
--- a/spec/unit/parse_file_spec.rb
+++ b/spec/unit/parse_file_spec.rb
@@ -20,11 +20,11 @@ describe GitHubChangelogGenerator::ParserFile do
       let(:options) { { params_file: "spec/files/github_changelog_params_incorrect" } }
       let(:options_before_change) { options.dup }
       let(:parse) { GitHubChangelogGenerator::ParserFile.new(options) }
-      it { expect { parse.parse! }.to raise_error }
+      it { expect { parse.parse! }.to raise_error(GitHubChangelogGenerator::ParserError) }
     end
 
     context "when override default values" do
-      let(:default_options) { GitHubChangelogGenerator::Parser.get_default_options }
+      let(:default_options) { GitHubChangelogGenerator::Parser.default_options }
       let(:options) { { params_file: "spec/files/github_changelog_params_override" }.merge(default_options) }
       let(:options_before_change) { options.dup }
       let(:parse) { GitHubChangelogGenerator::ParserFile.new(options) }