Entities redesign and a few ERM features

* Made most Handlers derived from CHandlerBase and moved service API there.
* Declared existing Entity APIs.
* Added basic script context caching
* Started Lua script module
* Started Lua spell effect API
* Started script state persistence
* Started battle info callback binding
* CommitPackage removed
* Extracted spells::Caster to own header; Expanded Spell API.
* implemented !!MC:S, !!FU:E, !!FU:P, !!MA, !!VR:H, !!VR:C
* !!BU:C, !!BU:E, !!BU:G, !!BU:M implemented
* Allow use of "MC:S@varName@" to declare normal variable (technically v-variable with string key)
* Re-enabled VERM macros.
* !?GM0 added
* !?TM implemented
* Added !!MF:N
* Started !?OB, !!BM, !!HE, !!OW, !!UN
* Added basic support of w-variables
* Added support for ERM indirect variables
* Made !?FU regular trigger
* !!re (ERA loop receiver) implemented
* Fixed ERM receivers with zero args.

lib/serializer/JsonSerializeFormat.cpp

@@ -123,8 +123,9 @@ JsonSerializeFormat::LICSet::LICSet(const std::set<si32>& Standard, const TDecod
 }
 
 //JsonSerializeFormat
-JsonSerializeFormat::JsonSerializeFormat(const IInstanceResolver * instanceResolver_, const bool saving_):
-	saving(saving_),
+JsonSerializeFormat::JsonSerializeFormat(const IInstanceResolver * instanceResolver_, const bool saving_, const bool updating_)
+	: saving(saving_),
+	updating(updating_),
 	instanceResolver(instanceResolver_)
 {
 }