(left direct command commented in scripts)
Removed commented section.

Added goodness of fit estimation from chain.
added verbose paramater in loading spectra.

Time conversion from XMM seconds.

Get infos from observations.
add support for lesta in init.

Introduced fitting functions for convenience.
Optional run_rebin in LC convenience funtion.
Use minimum and maximum of event times in lc extraction.

Placed hardness ratio analysis in the general xmmanalysis class.

LC extraction just drafted.

Introduced the critical surface bightness as parameter (defaul=1)
Offset at the centre of the annulus for the maximum.

Criterion for source extraction is when the average rate in an annulus outside a region is 1 cts/pixel.

Change name of optimal rebinning script.