Reformat UCI option code

Make a better use of C++ operators overloading to
streamline the APIs.

Also sync polyglot.ini file while there.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

polyglot.ini

@@ -15,13 +15,10 @@ ResignScore = 600
 
 [Engine]
 
-Hash = 128
-Threads = 1
-OwnBook = false
-Book File = book.bin
-Best Book Move = false
 Use Search Log = false
 Search Log Filename = SearchLog.txt
+Book File = book.bin
+Best Book Move = false
 Mobility (Middle Game) = 100
 Mobility (Endgame) = 100
 Passed Pawns (Middle Game) = 100
@@ -29,11 +26,18 @@ Passed Pawns (Endgame) = 100
 Space = 100
 Aggressiveness = 100
 Cowardice = 100
-Minimum Split Depth = 4
-Maximum Number of Threads per Split Point = 5
-Use Sleeping Threads = false
+Min Split Depth = 4
+Max Threads per Split Point = 5
+Threads = 1
+Use Sleeping Threads = true
+Hash = 128
+Ponder = true
+OwnBook = false
+MultiPV = 1
 Skill Level = 20
 Emergency Move Horizon = 40
 Emergency Base Time = 200
 Emergency Move Time = 70
 Minimum Thinking Time = 20
+UCI_Chess960 = false
+UCI_AnalyseMode = false