Previously, we used the emcee.PTSampler, but this has been removed from
the master branch of emcee (see discussion here
https://github.com/dfm/emcee/issues/236) and a fork, ptemcee has been
developed. Testing shows this is equivalent (after some changes in the
interface) and perhaps better as it contains the adaptive temperature
ladders developed by Will Vousden (the maintainer of ptemcee)

 This removes the convergence testing ideas previously implemented
 (currently juts commented, but later to be fully removed). These are
clearly not useful without further study, which in itself would be a
better time to develop an implementation.

- Adds back in array method for caching data

- Just run separate 2D and 1D searches for each panel itself
- Some additional clean up of the basic GridSearch method

- Remove minStartTime, maxStartTime and outdir as default arguments
- Adds notes ot documentation on which arguments are optional
- Change log-level on some command line calls that dont' matter
- Reorganise the tests performed after loading the data
- If minStartTime and maxStartTime are None, set them using
  SFT_timestamps
- Remove default labels from plot_twoF_cumulative
- If add_pfs is called, call generate_loudest automatically
- Save min/maxStartTime in pickle and load if required

- Previously, the predict_fstat directed lalapps_PredictFstat to write
  the output to /tmp/fs. This caused failure when /tmp could not be
  written to so instead it writes it to a file in the working directory
  and then removes it

- Allow read_par to have strings in the value
- Fix bug in setting detector constraints
- If fkdot not given, attempt to create it

- Adds basic_setup method to do simple tasks like make directories and
  set start and end times
- Remove doubled predict_fstat code

Fixes #4 .

The variable name was misleading and hence renamed

This adds a new method `setup_initialisation` which can be called to run
the initialisation step. Splitting it out from the main functionality
should make it easier for new users.

- Provide a function in the BaseSearchClass to read in the ephemeris
  files
- Some clean up of docstrings

- Remove arbitrary dpi choices
- Set the xlimits to remove white space before and after

- Converts coordinates to more usual Alpha. Delta F0, F1 ordering
- Adds debug info on the Nstar for each dimension
- Returns maximum Nstar iterating over each set of dimensions (not
  completely, just [0], [0, 1], [0, 1, 2], etc.

This helps with timing to see which functions are being called
repeatedly