Modify CLI suggest output and mechanics

[bskinn]

• Re-order the up-front output for CLI suggest
• Add dividers to CLI suggest up-front output for easier readability
• Relocate internal sys.exit() for reduced surprise

[codecov-commenter]

Codecov Report

Merging #266 (f843791) into main (312b178) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #266   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           20        20           
  Lines          737       743    +6     
=========================================
+ Hits           737       743    +6     

Impacted Files	Coverage Δ
src/sphobjinv/cli/load.py	100.00% <ø> (ø)
src/sphobjinv/cli/suggest.py	100.00% <100.00%> (ø)

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