CMakeLists: Update version

With the introduction of automatic instruction compression by @OFFTKP,
this warrants a version update, since it also fixes bugs in compressed branches.

CMakeLists: Increment version

Not too much changed over the course of 0.17.0 to 0.18.0 aside from the
addition of some pseudoinstruction aliases.

However since some of these are pragmatically convenient (VNEG and NEGW),
I feel that tagging a version with them included should be made.

CMakeLists: Increment version

It's about time we updated the version, given the CPU feature detection
facilities have changed quite a bit.

CMakeLists: Update version

It's about time to tag another version to easily track.

CMakeLists: Update version

CMakeLists: Increment version

CMakeLists: Increment version

Introduces a versioning point for Zfa.

CMakeLists: Increment version

Bump it since we've added quite a bit of instructions.

assembler: Handle Atomic Compare and Swap extension (Zacas)

assembler: Add support for integer conditional operations (Zicond)