cleaned-up GBM, removed Python tests

Source/Feeds/GBM_Feed.cs

@@ -51,7 +51,7 @@ public class GBM_Feed : TBars
     }
 
     private static double GBM_value (double Seed, double Volatility, double Drift) {
-        Random rnd = new((int)(DateTime.UtcNow.Ticks));
+        Random rnd = new();
         double U1 = 1.0-rnd.NextDouble();
         double U2 = 1.0-rnd.NextDouble();
         double Z = Math.Sqrt(-2.0 * Math.Log(U1)) * Math.Sin(2.0 * Math.PI * U2);

Source/QuanTAlib.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>0.1.14</Version>
+    <Version>0.1.15</Version>
     <releaseNotes>
     </releaseNotes>
     <Title>QuanTAlib</Title>