Merge pull request #3 from Wizmann/master

add e50 with lydia.cs
update haskell with 7, 10,30
add e1.lisp
Merge pull request #4 from Z-Shang/master

add e1.lisp
add e2.lisp
ad e3.lisp
add e4.lisp
add e5.lisp
add e6.lisp
add e7.lisp
add e8.lisp
add e9.lisp
add e10.lisp
haha
Merge pull request #5 from Z-Shang/master

add e2~e10.lisp
add e11 to e20