Remove dependency on rake and bump version to 1.0.8

Rakefile

@@ -75,7 +75,7 @@ PROJ.name = 'ffi'
 PROJ.authors = 'Wayne Meissner'
 PROJ.email = 'wmeissner@gmail.com'
 PROJ.url = 'http://wiki.github.com/ffi/ffi'
-PROJ.version = '1.0.7'
+PROJ.version = '1.0.8'
 PROJ.rubyforge.name = 'ffi'
 PROJ.readme_file = 'README.rdoc'
 
@@ -93,7 +93,7 @@ PROJ.gem.platform = Gem::Platform::RUBY
 #PROJ.gem.required_ruby_version = ">= 1.9.2"
 
 # Override Mr. Bones autogenerated extensions and force ours in
-PROJ.gem.extras['extensions'] = %w(ext/ffi_c/extconf.rb gen/Rakefile)
+PROJ.gem.extras['extensions'] = %w(ext/ffi_c/extconf.rb)
 #PROJ.gem.extras['required_ruby_version'] = ">= 1.9.2"
 
 # RDoc
@@ -110,7 +110,7 @@ PROJ.spec.opts << '--color' << '-fs'
 
 # Dependencies
 
-depend_on 'rake', '>=0.8.7'
+#depend_on 'rake', '>=0.8.7'
 
 TEST_DEPS = [ LIBTEST ]
 if RUBY_PLATFORM == "java"