diff --git a/bin/scripts/uptime.def b/bin/scripts/uptime.def
index 26d4891..308e1ae 100644
--- a/bin/scripts/uptime.def
+++ b/bin/scripts/uptime.def
@@ -4,6 +4,7 @@
 // args: none
 // usage: - load the script to register the uptime counter
 //        - call the script to say the uptime formatted in hours, mins & secs
+// returns: uptime formatted as 0h 0m 0s
 
 #onload
 	set,#uptime 0
@@ -15,15 +16,23 @@ set,s ${#uptime}
 
 set,h ${s}
 div,h 3600
+toint,h ${h}
 mod,s 3600
 
 set,m ${s}
 div,m 60
+toint,m ${m}
 mod,s 60
+toint,s ${s}
+set,str ${h}h ${m}m ${s}s
+out UPTIME: ${#uptime} secs = ${str}
 
-out UPTIME: ${#uptime} secs = ${h}h ${m}m ${s}s
-say UPTIME: ${h} hours, ${m} minutes, ${s} seconds
+if ${@inworld}
+	say UPTIME: ${h} hours, ${m} minutes, ${s} seconds
+endif
 
 unset h
 unset m
-unset s
\ No newline at end of file
+unset s
+
+return ${str}
\ No newline at end of file
diff --git a/src/Client/DefScript/DefScript.cpp b/src/Client/DefScript/DefScript.cpp
index fa264d3..5f7a4ff 100644
--- a/src/Client/DefScript/DefScript.cpp
+++ b/src/Client/DefScript/DefScript.cpp
@@ -10,6 +10,12 @@
 
 using namespace DefScriptTools;
 
+enum DefScriptBlockType
+{
+    BLOCK_IF,
+    BLOCK_LOOP
+};
+
 // --- SECTION FOR SCRIPT PACKAGES ---
 DefScriptPackage::DefScriptPackage()
 {
@@ -72,6 +78,9 @@ void DefScriptPackage::_InitFunctions(void)
     AddFunc("smaller",&DefScriptPackage::func_smaller);
     AddFunc("strlen",&DefScriptPackage::func_strlen);
     AddFunc("tohex",&DefScriptPackage::func_tohex);
+    AddFunc("and",&DefScriptPackage::func_and);
+    AddFunc("or",&DefScriptPackage::func_or);
+    AddFunc("xor",&DefScriptPackage::func_xor);
 }
 
 void DefScriptPackage::AddFunc(std::string n,DefReturnResult (DefScriptPackage::*f)(CmdSet& Set))
@@ -339,6 +348,7 @@ DefReturnResult DefScriptPackage::RunScript(std::string name, CmdSet *pSet)
         {
             if(!Blocks.size())
             {
+                printf("DEBUG: else-block without any block?! [%s:%u]\n",name.c_str(),i);
                 r.ok=false;
                 break;
             }
@@ -346,26 +356,30 @@ DefReturnResult DefScriptPackage::RunScript(std::string name, CmdSet *pSet)
             if(b.type==BLOCK_IF && b.istrue)
             {
                 for(i=b.startline;sc->GetLine(i)!="endif";i++); // skip lines until "endif"
-                Blocks.pop_back();
-            }
-            if(b.type==BLOCK_IF && !b.istrue)
-            {
-                printf("DEBUG: else does not have an if-block that was false before");
+                i--; // next line read will be "endif"
             }
             continue;
         }
         else if(line=="endif")
         {
+            if(!Blocks.size())
+            {
+                printf("DEBUG: endif without any block [%s:%u]\n",name.c_str(),i);
+                r.ok=false;
+                break;
+            }
             if(Blocks.back().type!=BLOCK_IF)
             {
                 printf("DEBUG: endif: closed block is not an if block! [%s:%u]\n",name.c_str(),i);
+                r.ok=false;
                 break;
             }
             Blocks.pop_back();
             continue;
         }
+        _DEFSC_DEBUG(printf("DefScript before: \"%s\"\n",line.c_str()));
         DefXChgResult final=ReplaceVars(line,pSet,0,true);
-        _DEFSC_DEBUG(printf("DefScript: \"%s\"\n",final.str.c_str()));
+        _DEFSC_DEBUG(printf("DefScript parsed: \"%s\"\n",final.str.c_str()));
 	    SplitLine(mySet,final.str);
         if(mySet.cmd=="if")
         {
@@ -376,9 +390,9 @@ DefReturnResult DefScriptPackage::RunScript(std::string name, CmdSet *pSet)
             Blocks.push_back(b);
             if(!b.istrue)
             {
-                for(i=b.startline;sc->GetLine(i)!="else" && sc->GetLine(i)!="endif";i++); // skip lines until "else"
-                if(sc->GetLine(i)!="endif")
-                    Blocks.pop_back();
+                for(i=b.startline;sc->GetLine(i)!="else" && sc->GetLine(i)!="endif";i++);
+                i--; // next line read will be either "else" or "endif", decide then what to do
+
             }
             continue; // and read line after "else"
         }
@@ -669,8 +683,7 @@ DefXChgResult DefScriptPackage::ReplaceVars(std::string str, CmdSet *pSet, unsig
                     res=RunSingleLine(str);
                 str=res.ret; // returns empty string on invalid function!!
                 xchg.result.ok=res.ok;
-                if(res.ok)
-                    xchg.changed=true;
+                xchg.changed=true;
                 //xchg.result.err += res.err;
             }
             else // if not allowed to run scripts via ?{...}
diff --git a/src/Client/DefScript/DefScript.h b/src/Client/DefScript/DefScript.h
index 6b896b4..0bbd73d 100644
--- a/src/Client/DefScript/DefScript.h
+++ b/src/Client/DefScript/DefScript.h
@@ -12,12 +12,6 @@
 class DefScriptPackage;
 class DefScript;
 
-
-enum DefScriptBlockType
-{
-    BLOCK_IF,
-    BLOCK_LOOP
-};
 // general struct for if..else..endif / loop..endloop blocks
 struct Def_Block
 {
@@ -175,6 +169,9 @@ private:
     DefReturnResult func_smaller(CmdSet&);
     DefReturnResult func_strlen(CmdSet&);
     DefReturnResult func_tohex(CmdSet&);
+    DefReturnResult func_and(CmdSet&);
+    DefReturnResult func_or(CmdSet&);
+    DefReturnResult func_xor(CmdSet&);
 
     // setup own function declarations here
 #   include "DefScriptInterfaceInclude.h"
diff --git a/src/Client/DefScript/DefScriptFunctions.cpp b/src/Client/DefScript/DefScriptFunctions.cpp
index c14d53a..07a9242 100644
--- a/src/Client/DefScript/DefScriptFunctions.cpp
+++ b/src/Client/DefScript/DefScriptFunctions.cpp
@@ -241,8 +241,8 @@ DefReturnResult DefScriptPackage::func_mod(CmdSet& Set)
     }
 
     std::string vname=_NormalizeVarName(Set.arg[0], Set.myname);
-    uint64 a=(uint64)toNumber(variables.Get(vname));
-    uint64 b=(uint64)toNumber(Set.defaultarg);
+    uint64 a=toUint64(variables.Get(vname));
+    uint64 b=toUint64(Set.defaultarg);
     if(b==0)
         a=0;
     else
@@ -350,12 +350,12 @@ DefReturnResult DefScriptPackage::func_equal(CmdSet& Set)
 
 DefReturnResult DefScriptPackage::func_smaller(CmdSet& Set)
 {
-    return toNumber(Set.defaultarg) < toNumber(Set.arg[0]);
+    return toNumber(Set.arg[0]) < toNumber(Set.defaultarg);
 }
 
 DefReturnResult DefScriptPackage::func_bigger(CmdSet& Set)
 {
-    return toNumber(Set.defaultarg) > toNumber(Set.arg[0]);
+    return toNumber(Set.arg[0]) > toNumber(Set.defaultarg);
 }
 
 DefReturnResult DefScriptPackage::func_not(CmdSet& Set)
@@ -403,3 +403,19 @@ DefReturnResult DefScriptPackage::func_abs(CmdSet& Set)
     r.ret=toString(fabs(toNumber(Set.defaultarg)));
     return r;
 }
+
+DefReturnResult DefScriptPackage::func_and(CmdSet& Set)
+{
+    return isTrue(Set.defaultarg) && isTrue(Set.arg[0]);
+}
+
+DefReturnResult DefScriptPackage::func_or(CmdSet& Set)
+{
+    return isTrue(Set.defaultarg) || isTrue(Set.arg[0]);
+}
+
+DefReturnResult DefScriptPackage::func_xor(CmdSet& Set)
+{
+    return (isTrue(Set.defaultarg) && isTrue(Set.arg[0])) || ( (!isTrue(Set.defaultarg)) && (!isTrue(Set.arg[0]) ) );
+}
+
diff --git a/src/Client/DefScriptInterface.cpp b/src/Client/DefScriptInterface.cpp
index 0eae996..25187ff 100644
--- a/src/Client/DefScriptInterface.cpp
+++ b/src/Client/DefScriptInterface.cpp
@@ -39,6 +39,8 @@ void DefScriptPackage::_InitDefScriptInterface(void)
     AddFunc("getname",&DefScriptPackage::SCGetName);
     AddFunc("getentry",&DefScriptPackage::SCGetName);
     AddFunc("getitemprotovalue",&DefScriptPackage::SCGetName);
+    AddFunc("getobjecttype",&DefScriptPackage::SCGetObjectType);
+    AddFunc("objectknown",&DefScriptPackage::SCObjectKnown);
 }
 
 DefReturnResult DefScriptPackage::SCshdn(CmdSet& Set)
@@ -215,8 +217,7 @@ DefReturnResult DefScriptPackage::SCcastspell(CmdSet& Set)
 
 	if (spellId <= 0)
 	{
-		logerror("Invalid Script call: SCcastspell: SpellId not valid");
-		DEF_RETURN_ERROR;
+		return false;
 	}
 
 	((PseuInstance*)parentMethod)->GetWSession()->SendCastSpell(spellId);
@@ -240,6 +241,7 @@ DefReturnResult DefScriptPackage::SCqueryitem(CmdSet& Set){
 DefReturnResult DefScriptPackage::SCtarget(CmdSet& Set)
 {
     // TODO: special targets: _self _pet _nearest ...
+    DefReturnResult r;
 
     if(!(((PseuInstance*)parentMethod)->GetWSession() && ((PseuInstance*)parentMethod)->GetWSession()->IsValid()))
     {
@@ -257,11 +259,17 @@ DefReturnResult DefScriptPackage::SCtarget(CmdSet& Set)
     uint64 guid = (((PseuInstance*)parentMethod)->GetWSession()->plrNameCache.GetGuid(Set.defaultarg));
 
     if( guid && ((PseuInstance*)parentMethod)->GetWSession()->objmgr.GetObj(guid) ) // object must be near
-        ((PseuInstance*)parentMethod)->GetWSession()->SendSetSelection(guid);
+    {
+        ((PseuInstance*)parentMethod)->GetWSession()->SendSetSelection(guid); // will also set the target for myCharacter
+        r.ret=toString(guid);
+    }
     else
+    {
         logdetail("Target '%s' not found!",Set.defaultarg.c_str());
+        return false;
+    }
 
-    return true;
+    return r;
 }
 
 DefReturnResult DefScriptPackage::SCloadscp(CmdSet& Set)
@@ -416,6 +424,40 @@ DefReturnResult DefScriptPackage::SCGetEntry(CmdSet& Set)
     return r;
 }
 
+DefReturnResult DefScriptPackage::SCGetObjectType(CmdSet& Set)
+{
+    if(!(((PseuInstance*)parentMethod)->GetWSession() && ((PseuInstance*)parentMethod)->GetWSession()->IsValid()))
+    {
+        logerror("Invalid Script call: SCGetObjectType: WorldSession not valid");
+        DEF_RETURN_ERROR;
+    }
+    DefReturnResult r;
+    uint64 guid=DefScriptTools::toNumber(Set.defaultarg);
+    r.ret="0";
+    Object *o=((PseuInstance*)parentMethod)->GetWSession()->objmgr.GetObj(guid);
+    if(o)
+    {
+        r.ret=DefScriptTools::toString((uint64)o->GetTypeId());
+    }
+    else
+    {
+        logerror("SCGetObjectType: Object "I64FMT" not known",guid);
+    }
+    return r;
+}
+
+DefReturnResult DefScriptPackage::SCObjectKnown(CmdSet& Set)
+{
+    if(!(((PseuInstance*)parentMethod)->GetWSession() && ((PseuInstance*)parentMethod)->GetWSession()->IsValid()))
+    {
+        logerror("Invalid Script call: SCObjectIsKnown: WorldSession not valid");
+        DEF_RETURN_ERROR;
+    }
+    uint64 guid=DefScriptTools::toNumber(Set.defaultarg);
+    Object *o=((PseuInstance*)parentMethod)->GetWSession()->objmgr.GetObj(guid);
+    return o!=NULL;
+}
+
 DefReturnResult DefScriptPackage::SCGetItemProtoValue(CmdSet& Set)
 {
     if(!(((PseuInstance*)parentMethod)->GetWSession() && ((PseuInstance*)parentMethod)->GetWSession()->IsValid()))
@@ -663,18 +705,17 @@ void DefScriptPackage::My_Run(std::string line, std::string username)
         }
     }
 
-    // temp fix to prevent users from executing scripts via return values exploit. example:
-    // -out ?{say .shutdown}
-    // note that the following code can still be executed:
-    // -out ${q}{say .shutdown}
-    // where var q = "?"
-    if(usrperm < 255 && line.find("?{")!=std::string::npos)
+    DefXChgResult final;
+    if(usrperm < 255)
     {
-        logerror("WARNING: %s wanted to exec \"%s\"",username.c_str(),line.c_str());
-        return;
+        if(line.find("?{")!=std::string::npos)
+            logerror("WARNING: %s wanted to exec \"%s\"",username.c_str(),line.c_str());
+        final=ReplaceVars(line,NULL,0,false); // prevent execution of embedded scripts (= using return values) that could trigger dangerous stuff.
     }
+    else
+        final=ReplaceVars(line,NULL,0,true); // exec as usual
 
-    DefXChgResult final=ReplaceVars(line,NULL,0,false);
+    
     CmdSet curSet;
     SplitLine(curSet,final.str);
 
diff --git a/src/Client/DefScriptInterfaceInclude.h b/src/Client/DefScriptInterfaceInclude.h
index 03daba3..7bd6997 100644
--- a/src/Client/DefScriptInterfaceInclude.h
+++ b/src/Client/DefScriptInterfaceInclude.h
@@ -31,5 +31,7 @@ DefReturnResult SCGetName(CmdSet&);
 DefReturnResult SCGetPlayerGuid(CmdSet&);
 DefReturnResult SCGetEntry(CmdSet&);
 DefReturnResult SCGetItemProtoValue(CmdSet&);
+DefReturnResult SCGetObjectType(CmdSet&);
+DefReturnResult SCObjectKnown(CmdSet&);
 
 #endif
\ No newline at end of file
diff --git a/src/Client/PseuWoW.cpp b/src/Client/PseuWoW.cpp
index 4af2cb7..25e13ee 100644
--- a/src/Client/PseuWoW.cpp
+++ b/src/Client/PseuWoW.cpp
@@ -98,6 +98,7 @@ bool PseuInstance::Init(void) {
 
     _scp->variables.Set("@version_short",_ver_short);
     _scp->variables.Set("@version",_ver);
+    _scp->variables.Set("@inworld","false");
 
     log("Loading DefScripts from folder '%s'",_scpdir.c_str());
 
diff --git a/src/Client/World/WorldSession.cpp b/src/Client/World/WorldSession.cpp
index e7d9ed9..c1550a1 100644
--- a/src/Client/World/WorldSession.cpp
+++ b/src/Client/World/WorldSession.cpp
@@ -208,6 +208,7 @@ void WorldSession::_OnEnterWorld(void)
     if(!_logged)
     {
         _logged=true;
+        GetInstance()->GetScripts()->variables.Set("@inworld","true");
         GetInstance()->GetScripts()->RunScript("_enterworld",NULL);
         
     }
@@ -219,7 +220,7 @@ void WorldSession::_OnLeaveWorld(void)
     {
         _logged=false;
         GetInstance()->GetScripts()->RunScript("_leaveworld",NULL);
-
+        GetInstance()->GetScripts()->variables.Set("@inworld","false");
     }
 }