Database reorganize, protocol version bump, migrations

server/build.gradle.kts

@@ -7,7 +7,10 @@ plugins {
 }
 
 group = "com.jaytux.phoebench"
-version = rootProject.version
+version = rootProject.version as PhoebenchVersion
+
+if((version as PhoebenchVersion) < (rootProject.version as PhoebenchVersion))
+    throw GradleException("Server version must be at least as high as protocol/common version")
 
 repositories {
     mavenCentral()