diff --git a/.travis.yml b/.travis.yml
index 948be8cfe5..f20d2b2d24 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,8 @@
 language: c
 
 env:
-  BYOND_MAJOR="507"
-  BYOND_MINOR="1282"
+  BYOND_MAJOR="508"
+  BYOND_MINOR="1287"
 
 before_install:
   - sudo apt-get update -qq
diff --git a/code/game/objects/items/weapons/grenades/chem_grenade.dm b/code/game/objects/items/weapons/grenades/chem_grenade.dm
index 651d7f880a..caaa82adcb 100644
--- a/code/game/objects/items/weapons/grenades/chem_grenade.dm
+++ b/code/game/objects/items/weapons/grenades/chem_grenade.dm
@@ -5,6 +5,7 @@
 	desc = "A hand made chemical grenade."
 	w_class = 2.0
 	force = 2.0
+	det_time = null
 	var/stage = 0
 	var/state = 0
 	var/path = 0
@@ -25,6 +26,7 @@
 				detonator.detached()
 				usr.put_in_hands(detonator)
 				detonator=null
+				det_time = null
 				stage=0
 				icon_state = initial(icon_state)
 			else if(beakers.len)
@@ -60,6 +62,12 @@
 			user.remove_from_mob(det)
 			det.loc = src
 			detonator = det
+			if(istimer(detonator.a_left))
+				var/obj/item/device/assembly/timer/T = detonator.a_left
+				det_time = 10*T.time
+			if(istimer(detonator.a_right))
+				var/obj/item/device/assembly/timer/T = detonator.a_right
+				det_time = 10*T.time
 			icon_state = initial(icon_state) +"_ass"
 			name = "unsecured grenade with [beakers.len] containers[detonator?" and detonator":""]"
 			stage = 1
@@ -143,6 +151,13 @@
 		if(!has_reagents)
 			icon_state = initial(icon_state) +"_locked"
 			playsound(src.loc, 'sound/items/Screwdriver2.ogg', 50, 1)
+			spawn(0) //Otherwise det_time is erroneously set to 0 after this
+				if(istimer(detonator.a_left)) //Make sure description reflects that the timer has been reset
+					var/obj/item/device/assembly/timer/T = detonator.a_left
+					det_time = 10*T.time
+				if(istimer(detonator.a_right))
+					var/obj/item/device/assembly/timer/T = detonator.a_right
+					det_time = 10*T.time
 			return
 
 		playsound(src.loc, 'sound/effects/bamf.ogg', 50, 1)
diff --git a/code/game/objects/items/weapons/grenades/grenade.dm b/code/game/objects/items/weapons/grenades/grenade.dm
index f501753807..1565d321b6 100644
--- a/code/game/objects/items/weapons/grenades/grenade.dm
+++ b/code/game/objects/items/weapons/grenades/grenade.dm
@@ -47,6 +47,8 @@
 		if(det_time > 1)
 			user << "The timer is set to [det_time/10] seconds."
 			return
+		if(det_time == null)
+			return
 		user << "\The [src] is set for instant detonation."
 
 
@@ -89,16 +91,16 @@
 /obj/item/weapon/grenade/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	if(isscrewdriver(W))
 		switch(det_time)
-			if ("1")
+			if (1)
 				det_time = 10
 				user << "<span class='notice'>You set the [name] for 1 second detonation time.</span>"
-			if ("10")
+			if (10)
 				det_time = 30
 				user << "<span class='notice'>You set the [name] for 3 second detonation time.</span>"
-			if ("30")
+			if (30)
 				det_time = 50
 				user << "<span class='notice'>You set the [name] for 5 second detonation time.</span>"
-			if ("50")
+			if (50)
 				det_time = 1
 				user << "<span class='notice'>You set the [name] for instant detonation.</span>"
 		add_fingerprint(user)
diff --git a/code/modules/admin/verbs/adminjump.dm b/code/modules/admin/verbs/adminjump.dm
index 1ff9a1d1cc..e84543e88f 100644
--- a/code/modules/admin/verbs/adminjump.dm
+++ b/code/modules/admin/verbs/adminjump.dm
@@ -8,8 +8,8 @@
 	set name = "Jump to Area"
 	set desc = "Area to jump to"
 	set category = "Admin"
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 
 	if(config.allow_admin_jump)
@@ -25,8 +25,8 @@
 /client/proc/jumptoturf(var/turf/T in world)
 	set name = "Jump to Turf"
 	set category = "Admin"
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 	if(config.allow_admin_jump)
 		log_admin("[key_name(usr)] jumped to [T.x],[T.y],[T.z] in [T.loc]")
@@ -42,8 +42,8 @@
 	set category = "Admin"
 	set name = "Jump to Mob"
 
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 
 	if(config.allow_admin_jump)
@@ -65,8 +65,8 @@
 	set category = "Admin"
 	set name = "Jump to Coordinate"
 
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 
 	if (config.allow_admin_jump)
@@ -86,8 +86,8 @@
 	set category = "Admin"
 	set name = "Jump to Key"
 
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 
 	if(config.allow_admin_jump)
@@ -111,8 +111,8 @@
 	set category = "Admin"
 	set name = "Get Mob"
 	set desc = "Mob to teleport"
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 	if(config.allow_admin_jump)
 		log_admin("[key_name(usr)] teleported [key_name(M)]")
@@ -128,8 +128,8 @@
 	set name = "Get Key"
 	set desc = "Key to teleport"
 
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 
 	if(config.allow_admin_jump)
@@ -155,8 +155,8 @@
 /client/proc/sendmob(var/mob/M in sortmobs())
 	set category = "Admin"
 	set name = "Send Mob"
-	if(!check_rights(R_ADMIN, user = src))
-		src << "Only administrators may use this command."
+	if(!check_rights(R_ADMIN))
+		usr << "Only administrators may use this command."
 		return
 	var/area/A = input(usr, "Pick an area.", "Pick an area") in return_sorted_areas()
 	if(A)
diff --git a/code/modules/mob/living/carbon/carbon.dm b/code/modules/mob/living/carbon/carbon.dm
index ad191db257..f0bfac9e58 100644
--- a/code/modules/mob/living/carbon/carbon.dm
+++ b/code/modules/mob/living/carbon/carbon.dm
@@ -341,7 +341,7 @@
 
 	if (istype(item, /obj/item/weapon/grab))
 		var/obj/item/weapon/grab/G = item
-		item = G.throw() //throw the person instead of the grab
+		item = G.throw_held() //throw the person instead of the grab
 		if(ismob(item))
 			var/turf/start_T = get_turf(loc) //Get the start and target tile for the descriptors
 			var/turf/end_T = get_turf(target)
diff --git a/code/modules/mob/mob_grab.dm b/code/modules/mob/mob_grab.dm
index 9471a70545..60d2bf419b 100644
--- a/code/modules/mob/mob_grab.dm
+++ b/code/modules/mob/mob_grab.dm
@@ -51,7 +51,7 @@
 	adjust_position()
 
 //Used by throw code to hand over the mob, instead of throwing the grab. The grab is then deleted by the throw code.
-/obj/item/weapon/grab/proc/throw()
+/obj/item/weapon/grab/proc/throw_held()
 	if(affecting)
 		if(affecting.buckled)
 			return null