From version 1.0 to 1.2

C++
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* new wrapping of boost random generators. No effect on API.



Python
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* New wrapper tool to glue C++ and python. Cython is gone.

gf:
 
 * transpose method now returns a NEW green function, like conjugate, etc...

tail : 

 * Suppress the possibility to save/load in h5 for a tail alone (must be part
   of a gf). [ok ?]