CHANGELOG.md in instrumental_tools-0.5.1 vs CHANGELOG.md in instrumental_tools-0.5.2

@@ -1,4 +1,7 @@
+### 0.5.2 [April 19th, 2012]
+* Check for existence of system commands prior to usage in instrument_server.
+
 ### 0.5.1 [February 9th, 2012]
 * Removing symbol to proc use for compatibility with older version of Ruby
 
 ### 0.5.0 [January 16, 2012]
 * Remove out-dated instrumental binary