Update to version, and serialization

Qwack.sln

@@ -12,6 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		directory.build.props = directory.build.props
 		LICENSE = LICENSE
 		nuget.config = nuget.config
+		pack.bat = pack.bat
 		PayoffLangauge.txt = PayoffLangauge.txt
 		README.md = README.md
 		version.props = version.props

pack.bat

@@ -1,5 +1,5 @@
 @echo off
-set VERSION=12
+set VERSION=13
 set OUTPUT_DIR=c:\code\packages
 
 dotnet pack ./src/Qwack.Options --configuration Release /p:Version=%VERSION% --output %OUTPUT_DIR% /p:DebugType=Embedded

src/Qwack.Core/Instruments/Asset/BackpricingOption.cs

@@ -62,6 +62,7 @@ public Dictionary<string, List<DateTime>> PastFixingDates(DateTime valDate) => v
            new Dictionary<string, List<DateTime>>() :
            new Dictionary<string, List<DateTime>> { { AssetId, FixingDates.Where(d => d < valDate).ToList() } };
 
+
 
         public IAssetInstrument Clone() => new BackPricingOption
         {

src/Qwack.Core/Instruments/InstrumentEx.cs

@@ -30,6 +30,7 @@ public static class InstrumentEx
             IrSwap irs => irs.ToTransportObject(),
             AssetTrs trs => trs.ToTransportObject(),
             SyntheticCashAndCarry cnc => cnc.ToTransportObject(),
+            MultiPeriodBackpricingOption bpo => bpo.ToTransportObject(),
             _ => throw new Exception("Unable to serialize instrument"),
         };
     }

version.props

@@ -1,5 +1,5 @@
 <Project>
     <PropertyGroup>
-        <VersionPrefix>0.7.76</VersionPrefix>
+        <VersionPrefix>0.7.77</VersionPrefix>
     </PropertyGroup>
 </Project>

version.txt

@@ -1 +1 @@
-0.7.76
+0.7.77