Bump version to v2.99

Change-Id: I457af9560bcf1e761fdf5d2dca63b6d827ac2324
diff --git a/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt b/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt
index 759c94b..b8047e9 100644
--- a/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt
+++ b/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt
@@ -51,7 +51,7 @@
 @Command(
     name = "KorapXmlTool",
     mixinStandardHelpOptions = true,
-    version = ["KorapXmlTool 2.20"],
+    version = ["KorapXmlTool 2.99"],
     description = ["Converts KorAP-XML <https://github.com/KorAP/KorAP-XML-Krill#about-korap-xml> base or " +
             "morpho zips to (annotated) CoNLL(-U) format with all information necessary for " +
             "reconstruction in comment lines."]
diff --git a/build.gradle b/build.gradle
index 55172cb..9c4f3d0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,4 +5,4 @@
 }
 
 // Zentrale Projektversion für korapxmltool
-version = '2.20'
+version = '2.99'