t0b3

Results 6 issues of t0b3

add double precision for * `maxiter`: ushort(16) -> uint(32) * `output`: ushort(16) -> uint(32) * `z`, `q`: complex64 -> complex128 * `real`, `nreal`, `imag`: float -> double works fine here

Recently 3D fails on FF@Linux. Worked fine some weeks ago. **reproduce** load 3D scene i.e. https://s.geo.admin.ch/7b7597a149 in FF61@Linux (Mesa 18.1.2) **result** scene seems to load fine... ![screenshot_20180628_072608](https://user-images.githubusercontent.com/5751047/42076824-03d618ae-7b77-11e8-9c31-da151cd2dcd4.png) ... but fails...

@lukicdarkoo this adapted `configure` is working fine here with buster now. feel free to merge it, if you want.

**observed behaviour** `clIcdGetPlatformIDsKHR()` crashes if multiple llvm based implementations present (using radeonsi GPU) - mesa 22.2.1 - ROCm 5.1.3 **output** ``` > clinfo mesa: CommandLine Error: Option 'h' registered more...

**Observed behaviour** For serving http://pihole.FQDN/admin/ nor http://192.168.x.y/admin/ neither http://pi.hole/admin/ etc. there is no domain restriction - but contraintuitively the forwarding to /admin/ only happens on http://pi.hole/ **Expected behaviour** Consistent forwarding...

I just got aware that the `src/Makefile` doesn't fit for downstream packagers i.e. on Gentoo and gmic is announced to be dropped entirely. ([gentoo bug 916289](https://bugs.gentoo.org/916289)) My quick search lead...