Fixes #366 (#367)

* Skills are now properly loaded from the database.
* Skills are now properly migrated from old format to the database.

code/modules/client/preferences_save_migration.dm

@@ -54,8 +54,8 @@
 	for (var/slot in character_slots)
 		load_character(slot)
 
-		if (!skills || !skills.len)
-			ZeroSkills(1)
+//		if (!skills || !skills.len)
+//			ZeroSkills(1)
 
 		if (!insert_character_sql(C))
 			log_debug("Character insert error during migration. Client: [C.ckey], character slot: [slot].")

code/modules/client/preferences_sql.dm

@@ -283,6 +283,11 @@
 	// Miscellaneous
 	disabilities			= text2num(character_query.item[48])
 	skills					= params2list(character_query.item[49])
+
+	for (var/skill in skills)
+		if (skills[skill])
+			skills[skill] = text2num(skills[skill])
+
 	skill_specialization	= character_query.item[50]
 	home_system				= character_query.item[51]
 	citizenship				= character_query.item[52]