Small combat balancing: Small crawling nerf, Esword buff (#5937)

* adds a delay and message to crawling underneath people

* makes eswords take less stamloss to swing around, lays down groundwork for later parts of combat reworks

* FUCK

code/__DEFINES/citadel_defines.dm

@@ -115,3 +115,6 @@
 #define STAMINA_CRIT									140 //crit for stamina damage. forces a rest, and stops movement until stamina goes back to stamina softcrit
 #define STAMINA_SOFTCRIT_TRADITIONAL	0	//same as STAMINA_SOFTCRIT except for the more traditional health calculations
 #define STAMINA_CRIT_TRADITIONAL			-40 //ditto, but for STAMINA_CRIT
+#define MIN_MELEE_STAMCOST						1.25 //Minimum cost for swinging items around. Will be extra useful when stats and skills are introduced.
+
+#define CRAWLUNDER_DELAY							30 //Delay for crawling under a standing mob