Fixed errors in UI that were introduced by recent changes
Fixes to command line interface, plus removed an impossible test case
bugfix in cmd line interface where the args for addSolvent weren't being passed correctly
Merge pull request #34 from schwancr/bug-cmd-line-water

cmd line bug
Fixed incorrect call to addSolvent()
Merge pull request #35 from leeping/master

Fixed incorrect call to addSolvent()
Added PDBFixer to init.py
Merge pull request #37 from kyleabeauchamp/fixes

Added PDBFixer to init.py
Added applyMutations and tests.
Removed extra return value.
Remove extra print statements.
Add hydrogens afterward in examples and tests.
Give nicer error when index not found.
Initial revisions
Improved tests and docstring example.
Added more fixes.
Test number of atoms after mutation.
Test atom numbers
Test atom names in GLY and ALA after mutation.
Test atoms in LEU mutation