Added more error messages
-rw-r--r-- 510 .gitignore
-rw-r--r-- 1184 .travis.yml
-rw-r--r-- 7518 CMakeLists.txt
-rw-r--r-- 1300 LICENSE
drwxr-xr-x - build
drwxr-xr-x - cds
-rw-r--r-- 18494 change.log
drwxr-xr-x - doxygen
drwxr-xr-x - projects
-rw-r--r-- 9483 readme.md
drwxr-xr-x - src
drwxr-xr-x - test
-rw-r--r-- 509 thanks
drwxr-xr-x - tools