Remove unused code.
t/dump_t.c: Remove unsed code
Add test_helper.[ch] to our test files
Simplify all tests
Use GeoIP2-City.mmdb as default database
Skip some tests if the database is to depth for the test
Metadata is always in memory.
Jump to disk functions in STANDARD_MODE

This is totaly wrong. It should be the other way around the disk function jumps
to the faster functions. Also only the slow functions need error checking and
memory. But it is ok for now. We switch back if the tests work.
Use names not name
The country code's name has changed to iso_3166_1_alpha_2
Add binary float and double types
Add simple test for bin float and double types
Silence sign warnings in endian test case
Silence warining
Remove unused vars
No need to initialize MMDB_decode_all_s
No need to initialize MMDB_decode_all_s
Remove unused vars
Remove odds and ends from fast ipaddress conversion. We use the simple semifast getaddrinfo for now.
Check error codes more carefully