updated README.md
added full name to LICENSE
created and setup main.cpp
renamed main.cpp to exec.cpp
edited exec.cpp header
added needed libraries to exec.cpp
updated README.md
initial testing and experimentation of program in exec.cpp
updated README.md
more code experimentation in exec.cpp
updated README.md
updated README.md
updated README.md
added user input functionality
basic functionality added in exec.cpp
updated README.md
fixed README.md formatting
fixed formatting of \'bugs\' section in README.md
added various perror() functions in exec.cpp
updated bugs list