Clean up Gaussian fitting interface and code

See merge request !154

Add function to deconvolve two 2D-Gaussian shapes

See merge request !153

Only read h5parm timestep values that are necessary

See merge request !152

AST-1571 Update coverage collection and reporting

See merge request !150

Parse direction label after point clause and sort Python imports

See merge request !151

AST-1572: speed up h5parm reading

See merge request !149

Add ducc0 code

See merge request !147

Fix spectral fitting issue and add test

See merge request !148

AST-1554 Use size_t instead of 'unsigned int' in h5parm

See merge request !144

Always avoid parallel build_* tests

See merge request !145

AST-1555 Use std::unique_ptr in H5Parm::sol_tabs_

See merge request !143

Fix CMake for old boost

See merge request !141

AST-1370 applying h5parm solutions refactor

See merge request !140

Use lamdba instead of static Take* functions

See merge request !139

AST-1500 Remove unused Boost include

See merge request !136

AST-1495 Make modules optional

See merge request !135

Update DinD configuration

See merge request !134

Add missing public headers

See merge request !131

Add some test and fixes in order to avoid GSL errors

See merge request !125

Fix crash with NaN solutions in debug mode

See merge request !132