Bumped version to 2.0.0 and added a CHANGELOG file (proposal)

CHANGELOG.md

@@ -0,0 +1,39 @@
+# 2.0.0
+
+* Enhancements
+
+  * Implemented :in redirection, i.e. spawn("...", :in => ...)
+  * Implemented :close redirection, i.e. spawn("...", :out/err/in => :close)
+  * Removed spawn override if ruby version is >= 1.9
+  * Project structure enhanced with Rakefile and SFL::VERSION
+  * Spec suite runs against Kernel.spawn to ensure comptability with native spawn in 1.9
+
+* Bugfixes
+
+  * Fix the spec suite for ruby version 1.9.2
+
+* Known bugs
+
+  * The spec suite may fail under ruby 1.9.1, due to ruby bugs on some spawn redirect options
+
+# 1.2.0
+
+* Enhancements
+
+  * Added support for quoted command arguments and spaces
+  * Defined spawn even if the ruby version is 1.9
+
+# 1.1.1
+
+* Enhancements
+
+  * Added Process.spawn in addition to Kernel.spawn
+  * Added support for Ruby 1.8.6
+
+# 1.1.0
+
+* Enhancements
+
+  * Birthday
+
+