Update document
Checking in changes prior to tagging version "0.2.0".

Changelog diff:

diff --git a/History.md b/History.md
index a5d0b50..7df3b23 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,11 @@
 # evision history for node-kytea

+0.2.0 / 2014-05-09
+==================
+
+  * [Incompatible change] Add API(open())
+  * Node v0.11 support
+
 0.1.7 / 2013-07-05
 ==================
Update doument
Checking in changes prior to tagging version "0.2.1".

Changelog diff:

diff --git a/History.md b/History.md
index 7df3b23..7794917 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,10 @@
 # evision history for node-kytea

+0.2.1 / 2014-05-09
+==================
+
+  * Fixed document error
+
 0.2.0 / 2014-05-09
 ==================