Allow dragging and dropping of Entities in editor

+ New Dictionary Helpers
+ Made ImGui Payloads safer
+ Start of Component drag'n'drop

GlitchyEditor/resources/scripts/ScriptCore.deps.json

@@ -9,12 +9,21 @@
     ".NETStandard,Version=v2.0/": {
       "ScriptCore/1.0.0": {
         "dependencies": {
+          "Half": "1.0.0",
           "NETStandard.Library": "2.0.3"
         },
         "runtime": {
           "ScriptCore.dll": {}
         }
       },
+      "Half/1.0.0": {
+        "runtime": {
+          "lib/netstandard2.0/System.Half.dll": {
+            "assemblyVersion": "1.0.0.0",
+            "fileVersion": "1.0.0.0"
+          }
+        }
+      },
       "Microsoft.NETCore.Platforms/1.1.0": {},
       "NETStandard.Library/2.0.3": {
         "dependencies": {
@@ -29,6 +38,13 @@
       "serviceable": false,
       "sha512": ""
     },
+    "Half/1.0.0": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-EPLLPQA1UjF9QM3ymNhWLhgcnBNc8e1po4qWRWTD3Hd9xiohYlkCob0QjDIbJs6Nvfd4eAbsjxIwRyh7httyXA==",
+      "path": "half/1.0.0",
+      "hashPath": "half.1.0.0.nupkg.sha512"
+    },
     "Microsoft.NETCore.Platforms/1.1.0": {
       "type": "package",
       "serviceable": true,