v2.6.3 (17 March 2015)

Bug Fixes

• removed extra semicolons in code; they are techinically a C++11
  extension [#1379]
• removed use of variable length array; this is a C99 feature
  [#1381]

Features

• error messages in initialization during sampling get printed out
  to the message stream [#1326]

Test Enhancements

• added tests for is_vector_like [#1360]