There are currently problems building with latest intel

Fix incorrect EXPANSION module in manual

trigger build

They are analogous to their C++ counterpart and should be used with care.

decref has also an optional argument (to) to decrease the number of
references to a given number. Can be used as a workaround for buggy
compilers such as gfortran

See #708

See #708

Try to make sasa appear under module

try to make sasa appear under module

NOTE: destructor is still not working properly

Fortran typesafe

Modified the description of the sasa module

See #524