more Cmd::Subject test expansion, fix vaporcalc.pm test

	modified:   t/lib/cmd/subject/notes.t
	modified:   t/lib/cmd/subject/targetamount.t
	modified:   t/lib/recipe.t
	modified:   t/lib/vaporcalc.t
reasonably complete t/

	deleted:    t/bin/vaporcalc.t
	modified:   t/lib/cmd/subject/pg.t
	modified:   t/lib/cmd/subject/recipe.t
	modified:   t/lib/cmd/subject/vg.t
POD fixes

	modified:   README.mkdn
	modified:   bin/vaporcalc
	modified:   lib/App/vaporcalc.pm
	modified:   lib/App/vaporcalc/CmdEngine.pm
	modified:   lib/App/vaporcalc/Exception.pm
	modified:   lib/App/vaporcalc/FormatString.pm
	modified:   lib/App/vaporcalc/Recipe.pm
	modified:   lib/App/vaporcalc/RecipeResultSet.pm
	modified:   lib/App/vaporcalc/Result.pm
	modified:   lib/App/vaporcalc/Role/UI/Cmd.pm
	modified:   lib/App/vaporcalc/Role/UI/ParseCmd.pm
	modified:   lib/App/vaporcalc/Role/UI/PrepareCmd.pm
POD tweaks

	modified:   lib/App/vaporcalc.pm
	modified:   lib/App/vaporcalc/RecipeResultSet.pm
	modified:   lib/App/vaporcalc/Role/Calc.pm
	modified:   lib/App/vaporcalc/Role/Store.pm