diff --git a/.gitignore b/.gitignore
index a64bd1285..e69de29bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +0,0 @@
-constants.rb
-*.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 000000000..e9842e488
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,23 @@
+# Changelog
+
+## [0.3.0] (https://github.com/skywinder/Github-Changelog-Generator/tree/0.3.0)
+#### 07/11/14
+- Fix parsing date of pull request [\#3](https://github.com/skywinder/Github-Changelog-Generator/pull/3)
+
+- *Fixed bug:* Last tag not appeared in changelog [\#5](https://github.com/skywinder/Github-Changelog-Generator/issues/5)
+
+- *Fixed issue:* Implement option to specify output filename [\#4](https://github.com/skywinder/Github-Changelog-Generator/issues/4)
+
+## [0.1.0] (https://github.com/skywinder/Github-Changelog-Generator/tree/0.1.0)
+#### 07/11/14
+- Add changelog generation for last tag [\#2](https://github.com/skywinder/Github-Changelog-Generator/pull/2)
+
+- Add option (-o --output) to specify name of the output file. [\#1](https://github.com/skywinder/Github-Changelog-Generator/pull/1)
+
+## [0.0.2] (https://github.com/skywinder/Github-Changelog-Generator/tree/0.0.2)
+#### 06/11/14
+## [0.0.1] (https://github.com/skywinder/Github-Changelog-Generator/tree/0.0.1)
+#### 06/11/14
+
+
+**This file was generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*
\ No newline at end of file
diff --git a/README.md b/README.md
index 9c5cbce0a..eed0ef8c8 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ See `github_changelog_generator --help` for detailed usage.
 	    -v, --[no-]verbose               Run verbosely
 	    -l, --last-changes               Generate log between only last 2 tags
 	    -f, --date-format [FORMAT]       Date format. Default is %d/%m/%y
-	    -o, --output [FORMAT]            Output file. Default is CHANGELOG.md
+	    -o, --output [NAME]            Output file. Default is CHANGELOG.md
 
 ## Examples:
 ### This changelog: [ActionSheetPicker-3.0/CHANGELOG.md](https://github.com/skywinder/ActionSheetPicker-3.0/blob/master/CHANGELOG.md)
diff --git a/github_changelog_generator.gemspec b/github_changelog_generator.gemspec
index 1e067fc58..d02969b79 100644
--- a/github_changelog_generator.gemspec
+++ b/github_changelog_generator.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name               = "github_changelog_generator"
-  s.version            = "0.0.2"
+  s.version            = "1.0.0"
   s.default_executable = "github_changelog_generator"
 
   s.required_ruby_version     = '>= 1.9.3'
diff --git a/lib/github_changelog_generator.rb b/lib/github_changelog_generator.rb
index ec41d919a..4afae76c7 100755
--- a/lib/github_changelog_generator.rb
+++ b/lib/github_changelog_generator.rb
@@ -8,7 +8,7 @@
 
 class ChangelogGenerator
 
-  attr_accessor :options, :all_tags
+  attr_accessor :options, :all_tags, :github
 
   def initialize()
 
@@ -20,6 +20,7 @@ def initialize()
     end
     @all_tags = self.get_all_tags
     @pull_requests = self.get_all_closed_pull_requests
+    @issues = self.get_all_issues
 
     @tag_times_hash = {}
   end
@@ -35,17 +36,14 @@ def exec_command(cmd)
 
 
   def get_all_closed_pull_requests
-
-
-    issues = @github.pull_requests.list @options[:user], @options[:project], :state => 'closed'
-    json = issues.body
+    request = @github.pull_requests.list @options[:user], @options[:project], :state => 'closed'
+    pull_requests = request.body
 
     if @options[:verbose]
       puts 'Receive all pull requests'
     end
 
-    json
-
+    pull_requests
   end
 
   def compund_changelog
@@ -87,7 +85,7 @@ def compund_changelog
       puts log
     end
 
-    log += "\n\n*This file was generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
+    log += "\n\n**This file was generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
 
     output_filename = "#{@options[:output]}"
     File.open(output_filename, 'w') { |file| file.write(log) }
@@ -111,19 +109,6 @@ def is_megred(number)
     @github.pull_requests.merged? @options[:user], @options[:project], number
   end
 
-  def get_all_merged_pull_requests
-    json = self.get_all_closed_pull_requests
-    puts 'Check if the requests is merged... (it can take a while)'
-
-    json.delete_if { |req|
-      merged = self.is_megred(req[:number])
-      if @options[:verbose]
-        puts "##{req[:number]} #{merged ? 'merged' : 'not merged'}"
-      end
-      !merged
-    }
-  end
-
   def get_all_tags
 
     url = "https://api.github.com/repos/#{@options[:user]}/#{@options[:project]}/tags"
@@ -133,7 +118,7 @@ def get_all_tags
     end
 
     response = HTTParty.get(url,
-                            :headers => {'Authorization' => 'token 8587bb22f6bf125454768a4a19dbcc774ea68d48',
+                            :headers => {'Authorization' => "token #{@options[:token]}",
                                         'User-Agent' => 'Changelog-Generator'})
 
     json_parse = JSON.parse(response.body)
@@ -160,15 +145,37 @@ def generate_log_between_tags(since_tag, till_tag)
     pull_requests = Array.new(@pull_requests)
 
     pull_requests.delete_if { |req|
-      t = Time.parse(req[:merged_at]).utc
-      tag_is_later_since = t > since_tag_time
-      tag_is_before_till = t <= till_tag_time
+      if req[:merged_at]
+        t = Time.parse(req[:merged_at]).utc
+        tag_is_later_since = t > since_tag_time
+        tag_is_before_till = t <= till_tag_time
+
+        in_range = (tag_is_later_since) && (tag_is_before_till)
+        !in_range
+      else
+        true
+      end
 
-      in_range = (tag_is_later_since) && (tag_is_before_till)
-      !in_range
     }
 
-    self.create_log(pull_requests, till_tag_name, till_tag_time)
+    issues = Array.new(@issues)
+
+    issues.delete_if{ |issue|
+      if issue[:closed_at]
+        t = Time.parse(issue[:closed_at]).utc
+        tag_is_later_since = t > since_tag_time
+        tag_is_before_till = t <= till_tag_time
+
+        in_range = (tag_is_later_since) && (tag_is_before_till)
+        !in_range
+      else
+        true
+      end
+
+    }
+
+    self.create_log(pull_requests, issues, till_tag_name, till_tag_time)
+
   end
 
   def generate_log_before_tag(tag)
@@ -178,26 +185,81 @@ def generate_log_before_tag(tag)
     pull_requests = Array.new(@pull_requests)
 
     pull_requests.delete_if { |req|
-      t = Time.parse(req[:closed_at]).utc
-      t > tag_time
+      if req[:merged_at]
+        t = Time.parse(req[:merged_at]).utc
+        t > tag_time
+      else
+        true
+      end
+
+    }
+
+    issues = Array.new(@issues)
+
+    issues.delete_if{ |issue|
+      if issue[:closed_at]
+        t = Time.parse(issue[:closed_at]).utc
+        t > tag_time
+      else
+        true
+      end
     }
 
-    self.create_log(pull_requests, tag_name, tag_time)
+    self.create_log(pull_requests, issues, tag_name, tag_time)
 
   end
 
-  def create_log(pull_requests, tag_name, tag_time)
+  def create_log(pull_requests, issues, tag_name, tag_time)
 
+    # Generate tag name and link
     trimmed_tag = tag_name.tr('v', '')
     log = "## [#{trimmed_tag}] (https://github.com/#{@options[:user]}/#{@options[:project]}/tree/#{tag_name})\n"
 
+    #Generate date string:
     time_string = tag_time.strftime @options[:format]
     log += "#### #{time_string}\n"
 
-    pull_requests.each { |dict|
-      merge = "#{dict[:title]} [\\##{dict[:number]}](https://github.com/#{@options[:user]}/#{@options[:project]}/pull/#{dict[:number]})\n\n"
-      log += "- #{merge}"
-    }
+    if @options[:pulls]
+      # Generate pull requests:
+      if pull_requests
+        pull_requests.each { |dict|
+          merge = "#{dict[:title]} [\\##{dict[:number]}](https://github.com/#{@options[:user]}/#{@options[:project]}/pull/#{dict[:number]})\n\n"
+          log += "- #{merge}"
+        }
+      end
+    end
+
+    if @options[:issues]
+      # Generate issues:
+      if issues
+        issues.each { |dict|
+          is_bug = false
+          is_enhancement  = false
+          dict.labels.each { |label|
+            if label.name == 'bug'
+              is_bug = true
+            end
+            if label.name == 'enhancement'
+              is_enhancement  = true
+            end
+          }
+
+          intro = 'Closed issue'
+          if is_bug
+            intro =  'Fixed bug'
+          end
+
+          if is_enhancement
+            intro = 'Implemented enhancement'
+          end
+
+          merge = "*#{intro}:* #{dict[:title]} [\\##{dict[:number]}](https://github.com/#{@options[:user]}/#{@options[:project]}/issues/#{dict[:number]})\n\n"
+          log += "- #{merge}"
+        }
+      end
+
+    end
+
     log
   end
 
@@ -217,8 +279,23 @@ def get_time_of_tag(prev_tag)
     @tag_times_hash[prev_tag['name']] = Time.parse(time_string)
   end
 
+  def get_all_issues
+    all_issues = []
+    @options[:labels].each { |label|
+      issues = @github.issues.list user: @options[:user], repo: @options[:project], state: 'closed', filter: 'all', labels: label
+      all_issues = all_issues.concat(issues.body)
+    }
+    if @options[:verbose]
+      puts "Receive all closed issues with labels #{@options[:labels]}: #{all_issues.count} issues"
+    end
+
+    all_issues
+
+  end
+
 end
 
 if __FILE__ == $0
-  ChangelogGenerator.new.compund_changelog
+  changelog_generator = ChangelogGenerator.new
+  changelog_generator.compund_changelog
 end
\ No newline at end of file
diff --git a/lib/github_changelog_generator/parser.rb b/lib/github_changelog_generator/parser.rb
index 0dc882a0d..8a6fa20b4 100644
--- a/lib/github_changelog_generator/parser.rb
+++ b/lib/github_changelog_generator/parser.rb
@@ -3,7 +3,7 @@
 
 class Parser
   def self.parse_options
-    options = {:tag1 => nil, :tag2 => nil, :format => '%d/%m/%y', :output => 'CHANGELOG.md'}
+    options = {:tag1 => nil, :tag2 => nil, :format => '%d/%m/%y', :output => 'CHANGELOG.md', :labels => %w(bug enhancement), :pulls => true, :issues => true  }
 
     parser = OptionParser.new { |opts|
       opts.banner = 'Usage: changelog_generator --user username --project project_name [options]'
@@ -23,15 +23,24 @@ def self.parse_options
       opts.on('-v', '--[no-]verbose', 'Run verbosely') do |v|
         options[:verbose] = v
       end
-      opts.on('-l', '--last-changes', 'Generate log between only last 2 tags') do |last|
+      opts.on('--[no-]issues', 'Include closed issues to changelog. Default is true') do |v|
+        options[:issues] = v
+      end
+      opts.on('--[no-]pull-requests', 'Include pull-requests to changelog. Default is true') do |v|
+        options[:pulls] = v
+      end
+      opts.on('-l', '--last-changes', 'Generate log between last 2 tags only') do |last|
         options[:last] = last
       end
       opts.on('-f', '--date-format [FORMAT]', 'Date format. Default is %d/%m/%y') do |last|
         options[:format] = last
       end
-      opts.on('-o', '--output [FORMAT]', 'Output file. Default is CHANGELOG.md') do |last|
+      opts.on('-o', '--output [NAME]', 'Output file. Default is CHANGELOG.md') do |last|
         options[:output] = last
       end
+      opts.on('--labels  x,y,z', Array, 'List of labels. Issues with that labels will be included to changelog. Default is \'bug,enhancement\'') do |list|
+        options[:labels] = list
+      end
     }
 
     parser.parse!