Fixup RTL-SDR AGC. Fixes SatDump#75

Fix a segfault in the CLI tool

Bump to 0.0.37

Actually show the version number now

Oops... That is why it was weird on Windows...

Some LRIT fixups

MWTS-3 Decoder and MERSI-LL Composites

Merge pull request SatDump#21 from arvedviehweger/master

Fix FY3E costas bw

MERSI Bugfix... Oops

Write GEO-Corrected composites for MODIS