testing git-flow
add logging and catch when default system is not set
shell colors modules
Update README.md
add version information
ignore sublime project files
added per command; gls periodogram auto plots; plot performance issue (pyqtgraph?)
added print behaviour (__repr__) to rvSeries class
fixed some issues with help; some docstrings; per has verbose option
listcommands for help on available commands
mod command initial implementation
added pyqtgraph support; needs testing of course
mod sets drift degree; fit command does polyfit and plots RV-drift; some docs
Fix bug with number of points in each file; Add restrict command

I found a bug in the way we were iterating through the provenance dict.
Because it wasn't being done in sorted order, the number of values contianed
in one file did not match the number we were getting from the vectors. Now
everything is sorted, when reading, setting the vectors and iterating through
the provenance dict.
I added the 'restrict' command, currently only implement to chosse a subset of
data with error smaller than the given value.
Bumped version number
renaming
cleanup; some minor docs; remove some inutilities
updates listcommands; fixes small bug in fit when mod was not yet called
some verbosity in fit
in periodogram, imports pyqtgraph on module level for performance