Singular.jl 0.9.2 released

Today Singular.jl 0.9.2 has been released.

Diff since v0.9.1

Closed issues:

• caller.jl should be documented and fixed (#526)
• oscar.yml needs to be updated (#534)
• Test Singular fails (#538)
• wrap more of Singular’s global variables. (#543)
• leading_exponent_vector segfaults when given zero polynomial (#544)
• Allow coefficient rings in satstd (#548)

Merged pull requests:

• interface to degBound and multBound (#527) (@tthsqe12)
• update oscar.yml (#535) (@tthsqe12)
• CompatHelper: bump compat for CxxWrap to 0.12, (keep existing compat) (#536) (@github-actions[bot])
• support immutable parents (#537) (@tthsqe12)
• CI: update codecov/codecov-action to v2 (#539) (@fingolfin)
• Caller docs and fixes (#541) (@tthsqe12)
• Warn sooner about Windows not being supported (#542) (@fingolfin)
• zero poly lacks a leading exponent (#545) (@tthsqe12)
• More ideal ideals (#546) (@tthsqe12)
• add two arg kbase (#547) (@tthsqe12)
• allow satstd over coefficient rings (#549) (@tthsqe12)
• bump singular deps (#550) (@tthsqe12)
• add lead for vector and module (#552) (@tthsqe12)
• Bump version (#555) (@thofma)