fix docs
rework interface, put mor stuff into flags
follow-up fixes
remove debugging code
adopt GSL function for Gauss-Legendre integration
new test module sharp_scaletest
fixes
add support for Huffenberger & Wandelt grid
tweak HW grid helper
documentation improvements
improve documentation
allow HW pixelisations with both even and odd number of rings
add phi0 parameter to sharp_make_gauss_geom_info()
add MW geometry
allow any number of rings in sharp_make_ecp_geom_info()
switch to FFT for weight generation
fix documentation
more ring weight calculation via FFT
add support for a Fejer 2 type grid
be more paranoid with ALLOC2D