diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c1e0daf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+## MAC OS
+.DS_Store
+
+## TEXTMATE
+*.tmproj
+tmtags
+
+## EMACS
+*~
+\#*
+.\#*
+
+## VIM
+*.swp
+
+## PROJECT::GENERAL
+coverage
+rdoc
+pkg
+
+## PROJECT::SPECIFIC
diff --git a/README b/README
index 1fbafbe..6fb8d3b 100644
--- a/README
+++ b/README
@@ -24,18 +24,26 @@ LGPL
 * ruby : http://www.ruby-lang.org/
 * libusb 0.1 : http://libusb.sourceforge.net/
 
-== Download
+== Installing via make
 
-* latest release: http://www.a-k-r.org/ruby-usb/ruby-usb-0.2.tar.gz
+* Download:
+** latest release: http://www.a-k-r.org/ruby-usb/ruby-usb-0.2.tar.gz
+**development version: http://github.com/akr/ruby-usb
 
-* development version: http://github.com/akr/ruby-usb
-
-== Install
+*Install
 
   % ruby extconf.rb 
   % make
   % make install
 
+== Installing as a gem
+
+  % gem install ruby-usb
+
+On OSX you may need to specify your architecure. 
+For example:
+  % ARCHFLAGS="-arch x86_64" gem install ruby-usb
+
 == Reference Manual
 
 See rdoc/ or
@@ -46,3 +54,4 @@ http://www.a-k-r.org/ruby-usb/rdoc/
 * USB.org : http://www.usb.org/
 * AC Power Control through USB : http://www.gniibe.org/ac-power-by-usb/ac-power-control.html
 * How To Control USB Missile Launcher on Linux : http://blog.taragana.com/index.php/archive/how-to-control-usb-missile-launcher-on-linux/
+
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..82250c4
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,19 @@
+require 'rubygems'
+require 'rake'
+
+begin
+  require 'jeweler'
+  Jeweler::Tasks.new do |gem|
+    gem.name = "ruby-usb"
+    gem.summary = %Q{ruby-usb is a libusb binding library for Ruby.}
+    gem.email = "akr@fsij.org"
+    gem.homepage = "http://github.com/akr/ruby-usb"
+    gem.authors = ["Tanaka Akira","Perryn Fowler (0.2.1 gem packaging)"]
+    gem.extensions = ["extconf.rb"]
+    # gem is a Gem::Specification... see http://www.rubygems.org/read/chapter/20 for additional settings
+  end
+  Jeweler::GemcutterTasks.new
+rescue LoadError
+  puts "Jeweler (or a dependency) not available. Install it with: gem install jeweler"
+end
+
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..0c62199
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.2.1
diff --git a/lib/usb.rb b/lib/usb.rb
index 1d8ae5f..7e3b1f5 100644
--- a/lib/usb.rb
+++ b/lib/usb.rb
@@ -410,7 +410,7 @@ def get_string_simple(index)
       result = "\0" * 1024
       begin
         self.usb_get_string_simple(index, result)
-      rescue Errno::EPIPE, Errno::EFBIG, Errno::EPERM
+      rescue Errno::EPIPE, Errno::EFBIG, Errno::EPERM, Errno::ERANGE
         return nil
       end
       result.delete!("\0")
diff --git a/ruby-usb.gemspec b/ruby-usb.gemspec
new file mode 100644
index 0000000..5d70483
--- /dev/null
+++ b/ruby-usb.gemspec
@@ -0,0 +1,49 @@
+# Generated by jeweler
+# DO NOT EDIT THIS FILE DIRECTLY
+# Instead, edit Jeweler::Tasks in Rakefile, and run the gemspec command
+# -*- encoding: utf-8 -*-
+
+Gem::Specification.new do |s|
+  s.name = %q{ruby-usb}
+  s.version = "0.2.1"
+
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.authors = ["Tanaka Akira", "Perryn Fowler (0.2.1 gem packaging)"]
+  s.date = %q{2010-11-27}
+  s.email = %q{akr@fsij.org}
+  s.extensions = ["extconf.rb"]
+  s.extra_rdoc_files = [
+    "ChangeLog",
+     "README"
+  ]
+  s.files = [
+    ".gitignore",
+     "COPYING",
+     "ChangeLog",
+     "README",
+     "Rakefile",
+     "VERSION",
+     "constants.h",
+     "extconf.rb",
+     "lib/usb.rb",
+     "ruby-usb.gemspec",
+     "sample/usb-power",
+     "usb.c"
+  ]
+  s.homepage = %q{http://github.com/akr/ruby-usb}
+  s.rdoc_options = ["--charset=UTF-8"]
+  s.require_paths = ["lib"]
+  s.rubygems_version = %q{1.3.7}
+  s.summary = %q{ruby-usb is a libusb binding library for Ruby.}
+
+  if s.respond_to? :specification_version then
+    current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
+    s.specification_version = 3
+
+    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
+    else
+    end
+  else
+  end
+end
+