Changed the value of varibale @Phi to hard-coded decimal value (50 decimal places long). The previous equation used  no longer works with LESS v. 1.4.0 and greater due to changes in how it handles JavaScript functions.
updated the README.md file to note latest changes for version 1.0.1
updated to version 1.0.1, changes noted in README.md changelog
added latest changes to README.md for v.1.0.1