Fix -- problem
Improve documents
Merge branch 'master' into python3
Merge branch 'master' into python3
python3 setup.py
rewrite print to print_ function
for python3
fix except and module imports for python3
fix python3 problems
create requirements.txt
.gitignore
fix raise bug
Add python 3.2 and 3.3
remove nose dependency
Added python3
Added PIP_INSECURE because tests fail.
For Python >= 2.6 -> pexpect-u, Python < 2.6 -> pexpect