Fix typo
Python 2.6 compatibility
Fix locating the requested formula
Fix typo in uninstall
Allow .tgz in addition to tar.gz
Preserve symlinks when copying
Add a function to run autotools configure script
Shorten argument name for eiser typing
Remove constraint on toolchain name

Need to implement a better way to check for valid toolchain name
without listing all of them manually in an if statement
Refactor locating formulas and calculating dependencies
Print status messages when installing and uninstalling
Add function for printing the graph
Add an option for only uninstalling the specified package
Add launcher script for unix systems

Also, move windows launcher script to bin folder