Revert addition of new API for parsing main metadata together (RhBug:2063141)

Switch default of --keep-all-metadata to TRUE and add --discard-additional-metadata (RhBug:2055032)

Update to 0.17.7
Remove insecure hashes SHA-1 and MD5 from the default build (RhBug:1935486)
Fix error when updating repo with removed modules metadata
Exit with status code 1 when loading of repo's metadata fails
Fix memory leaks (RhBug:1998426)
Fix valgrind warnings caused by subprocess calls

Fix issues detected by static analyzers

Rebuilt for IMA sigs, glibc 2.34, aarch64 flags

Fix spec conditional to enable libmodulemd in RHEL >= 8 (RhBug:1816753)

Rebuilt for RHEL 9 BETA for openssl 3.0

Update to 0.17.2
Fix Python deprecation (PY_SSIZE_T_CLEAN) (RhBug:1891785)
Revert back to old c API for destination file of cr_compress_file_with_stat and cr_compress_file to prevent a memory leak
Never leave behind .repodata lock on exit (RhBug:1906831)
Disable drpm for RHEL >= 9 (RhBug:1914828)
Setting updated/issued_date to None doesn't produce garbage values (RhBug:1921715)
Allow taking __repr__ (__str__) of closed xmlfile and sqlite (RhBug:1913465)

Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937

Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild

Fix various memory leaks
Add a new function to replace PyObject_ToStrOrNull()

Update to 0.16.1
Add the section number to the manual pages
Parse xml snippet in smaller parts (RhBug:1859689)
Add module metadata support to createrepo_c (RhBug:1795936)

spec: Fix building with new cmake macros

Second attempt - Rebuilt for

Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild