diff --git a/Gemfile.lock b/Gemfile.lock
index 65b469f..9e9a32c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.3.6)
-    colorize (0.7.3)
+    colorize (0.7.4)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     faraday (0.9.0)
@@ -15,13 +15,13 @@ GEM
       multi_json (>= 1.7.5, < 2.0)
       nokogiri (~> 1.6.3)
       oauth2
-    hashie (3.3.1)
-    jwt (1.0.0)
+    hashie (3.3.2)
+    jwt (1.2.0)
     mini_portile (0.6.1)
     multi_json (1.10.1)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
-    nokogiri (1.6.4)
+    nokogiri (1.6.5)
       mini_portile (~> 0.6.0)
     oauth2 (1.0.0)
       faraday (>= 0.8, < 0.10)
diff --git a/lib/github_changelog_generator.rb b/lib/github_changelog_generator.rb
index 9bccf74..300c5bb 100755
--- a/lib/github_changelog_generator.rb
+++ b/lib/github_changelog_generator.rb
@@ -3,6 +3,8 @@
 require 'github_api'
 require 'json'
 require 'colorize'
+require 'benchmark'
+
 require_relative 'github_changelog_generator/parser'
 require_relative 'github_changelog_generator/generator'
 require_relative 'github_changelog_generator/version'
@@ -12,6 +14,8 @@ module GitHubChangelogGenerator
 
     attr_accessor :options, :all_tags, :github
 
+    PER_PAGE_NUMBER = 30
+
     def initialize
 
       @options = Parser.parse_options
@@ -25,9 +29,10 @@ module GitHubChangelogGenerator
       github_token
 
       if @github_token.nil?
-        @github = Github.new
+        @github = Github.new per_page: PER_PAGE_NUMBER
       else
-        @github = Github.new oauth_token: @github_token
+        @github = Github.new oauth_token: @github_token,
+                             per_page: PER_PAGE_NUMBER
       end
 
       @generator = Generator.new(@options)
@@ -56,18 +61,23 @@ module GitHubChangelogGenerator
     def get_all_closed_pull_requests
 
       if @options[:verbose]
-        puts 'Fetching pull requests..'
+        print "Fetching pull requests...\r"
       end
 
       response = @github.pull_requests.list @options[:user], @options[:project], :state => 'closed'
 
       pull_requests = []
+      page_i = 0
       response.each_page do |page|
+        page_i += PER_PAGE_NUMBER
+        print "Fetching pull requests... #{page_i}\r"
         pull_requests.concat(page)
       end
 
+      print "\r"
+
       if @options[:verbose]
-        puts "Received all closed pull requests: #{pull_requests.count}"
+        puts "Received closed pull requests: #{pull_requests.count}"
       end
 
       unless @options[:pull_request_labels].nil?
@@ -148,8 +158,13 @@ module GitHubChangelogGenerator
 
     def generate_log_for_all_tags
       log = ''
-      @all_tags.each { |tag| self.get_time_of_tag(tag) }
 
+      # Async fetching tags:
+      threads = []
+      @all_tags.each { |tag|
+        threads << Thread.new { self.get_time_of_tag(tag) }
+      }
+      threads.each { |thr| thr.join }
 
       if @options[:verbose]
         puts "Sorting tags.."
@@ -177,16 +192,19 @@ module GitHubChangelogGenerator
     def get_all_tags
 
       if @options[:verbose]
-        puts 'Fetching all tags..'
+        print "Fetching tags...\r"
       end
 
       response = @github.repos.tags @options[:user], @options[:project]
 
       tags = []
+      page_i = 0
       response.each_page do |page|
+        page_i += PER_PAGE_NUMBER
+        print "Fetching tags... #{page_i}\r"
         tags.concat(page)
       end
-
+      print "\r"
       if @options[:verbose]
         puts "Found #{tags.count} tags"
       end
@@ -329,10 +347,6 @@ module GitHubChangelogGenerator
         return @tag_times_hash[prev_tag['name']]
       end
 
-      if @options[:verbose]
-        puts "Getting time for tag #{prev_tag['name']}"
-      end
-
       github_git_data_commits_get = @github.git_data.commits.get @options[:user], @options[:project], prev_tag['commit']['sha']
       time_string = github_git_data_commits_get['committer']['date']
       Time.parse(time_string)
@@ -341,13 +355,22 @@ module GitHubChangelogGenerator
 
     def get_all_issues
 
+      if @options[:verbose]
+        print "Fetching closed issues...\r"
+      end
+
       response = @github.issues.list user: @options[:user], repo: @options[:project], state: 'closed', filter: 'all', labels: nil
 
       issues = []
+      page_i = 0
       response.each_page do |page|
+        page_i += PER_PAGE_NUMBER
+        print "Fetching closed issues... #{page_i}\r"
         issues.concat(page)
       end
 
+      print "\r"
+
       # remove pull request from issues:
       issues.select! { |x|
         x.pull_request == nil
@@ -357,6 +380,11 @@ module GitHubChangelogGenerator
         puts "Received closed issues: #{issues.count}"
       end
 
+
+      if @options[:verbose]
+        puts "Filtering issues with labels #{@options[:labels]}#{@options[:add_issues_wo_labels] ? ' and w/o labels' : ''}"
+      end
+
       filtered_issues = issues.select { |issue|
         #compare is there any labels from @options[:labels] array
         (issue.labels.map { |label| label.name } & @options[:labels]).any?
@@ -371,7 +399,7 @@ module GitHubChangelogGenerator
       end
 
       if @options[:verbose]
-        puts "Filter issues with labels #{@options[:labels]}#{@options[:add_issues_wo_labels] ? ' and w/o labels' : ''}: #{filtered_issues.count} issues"
+        puts "Filtered issues: #{filtered_issues.count}"
       end
 
       filtered_issues
diff --git a/lib/github_changelog_generator/generator.rb b/lib/github_changelog_generator/generator.rb
index 6918db8..5680f41 100644
--- a/lib/github_changelog_generator/generator.rb
+++ b/lib/github_changelog_generator/generator.rb
@@ -10,7 +10,11 @@ module GitHubChangelogGenerator
 
       merge = "#{@options[:merge_prefix]}#{encapsulated_title} [\\##{pull_request[:number]}](#{pull_request.html_url})"
       if @options[:author]
-        merge += " ([#{pull_request.user.login}](#{pull_request.user.html_url}))\n\n"
+        if !pull_request.user.nil?
+          merge += " ([#{pull_request.user.login}](#{pull_request.user.html_url}))\n\n"
+        else
+          merge += " ({Null user})\n\n"
+        end
       else
         merge += "\n\n"
       end
diff --git a/lib/github_changelog_generator/parser.rb b/lib/github_changelog_generator/parser.rb
index d1a0680..e66ba45 100644
--- a/lib/github_changelog_generator/parser.rb
+++ b/lib/github_changelog_generator/parser.rb
@@ -58,15 +58,21 @@ module GitHubChangelogGenerator
 
       parser.parse!
 
-      #udefined case with 1 parameter:
       if ARGV[0] && !ARGV[1]
-        puts parser.banner
-        exit
+        # this match should parse https://github.com/skywinder/Github-Changelog-Generator and skywinder/Github-Changelog-Generator to user and name
+        match = /(?:.+github\.com\/)?(.+)\/(.+)/.match(ARGV[0])
+
+        if match[2].nil?
+          exit
+        else
+          options[:user] = match[1]
+          options[:project]= match[2]
+        end
       end
 
       if !options[:user] && !options[:project]
         remote = `git remote -vv`.split("\n")
-        match = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)\.git.*/.match(remote[0])
+        match = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)(?:\.git)?.*/.match(remote[0])
 
         if match && match[1] && match[2]
           puts "Detected user:#{match[1]}, project:#{match[2]}"
@@ -83,7 +89,6 @@ module GitHubChangelogGenerator
       if ARGV[1]
         options[:tag1] = ARGV[0]
         options[:tag2] = ARGV[1]
-
       end
 
       options
diff --git a/lib/github_changelog_generator/version.rb b/lib/github_changelog_generator/version.rb
index 93de805..ab7dcb4 100644
--- a/lib/github_changelog_generator/version.rb
+++ b/lib/github_changelog_generator/version.rb
@@ -1,3 +1,3 @@
 module GitHubChangelogGenerator
-  VERSION = '1.2.2'
+  VERSION = '1.2.3'
 end