Creating a new error mechanism for the commandline function exec() and chdir(). Now, if an error occurs (by default) the script's execution will stop with an error message.
Creating a new error mechanism for the commandline function exec() and chdir(). Now, if an error occurs (by default) the script's execution will stop with an error message.

lpalgarvio/Open-Semantic-Framework-Installer,structureddynamics/Open-Semantic-Framework-Installer,neuroidss/Open-Semantic-Framework-Installer,lpalgarvio/Open-Semantic-Framework-Installer,neuroidss/Open-Semantic-Framework-Installer,structureddynamics/Open-Semantic-Framework-Installer