Updated commands and utilities.
Merge branch 'release/0.3.0'

* release/0.3.0:
  Updated commands and utilities.
  Tightened use of CMake command detection.
  Dropped the need for a tailing 'if' block.
  Ensured commands were added only on CMake project buffers.
  Ensured proper setting of the makeprg.
  Made less logic jumps.
  Changed bangs on functions and added Dispatch.
  Updated plugin logic.
  I didn't even need this.
  Touched up flags.
Updated files post-release.