added support for counting field in liouvillian operator
new module for counting statistics
added functions for computing pseudo_inverse
initial work on refactoring parallelization of mcsolve to use qutip.parallel.parallel_map
remove commented code
support storing expectation values and states
fixed progressbar with parallel_map in mcsolve
resolved merge conflict
Merge remote-tracking branch 'origin/parallel-updates' into refactor-mcsolve-parallel
remove unnecessary warning
code cleanup, use num_cpu spec in options for parallel_map. fallback to serial_map if num_cpu is 1
code cleanup. unified styles
Merge branch 'master' into refactor-mcsolve-parallel
Install qutip from pypi instead of github, which makes it always point to the most current release.
Merge branch 'master' into refactor-mcsolve-parallel
Add support for progressbars in propagator. Closes #203
expanded docstring for mesolve. Closes #234
Merge pull request #286 from jrjohansson/mesolve-docstring-updates

expanded docstring for mesolve
Merge pull request #284 from jrjohansson/update-homebrew-scripts

Minor homebrew script update
pep8 fixes