I was indeed using launch and it was indeed set to never build. Thanks! I’ve changed that and am launching now, hopefully that’ll do the trick.
Edit: Nope 
I get this now. I start the copy where I get the first error:
LogPlayLevel: UnrealBuildTool: UnrealBuildTool Exception: ERROR: cmd.exe failed with args /c “H:\Programs\apache-ant-1.8.2/bin/ant.bat” debug
LogPlayLevel: CommandUtils.Run: Run: Took 65.9984529s to run UnrealBuildTool.exe, ExitCode=5
LogPlayLevel: BuildCommand.Execute: ERROR: BUILD FAILED
LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception:
LogPlayLevel: Program.Main: ERROR: Exception in AutomationUtils.Automation: Command failed (Result:5): C:\Program Files (x86)\Epic Games\4.10\Engine\Binaries\DotNET\UnrealBuildTool.exe VoidBetween Android Development H:\Unreal\VoidBetween\VoidBetween.uproject -remoteini=“H:\Unreal\VoidBetween” -noxge -rocket -NoHotReloadFromIDE -ignorejunk. See logfile for details: ‘UnrealBuildTool-2015.12.08-19.55.40.txt’
LogPlayLevel: Stacktrace: at AutomationTool.CommandUtils.RunAndLog(String App, String CommandLine, String Logfile, Int32 MaxSuccessCode, String Input, ERunOptions Options, Dictionary2 EnvVars) LogPlayLevel: at AutomationTool.CommandUtils.RunUBT(CommandEnvironment Env, String UBTExecutable, String CommandLine, String LogName, Dictionary2 EnvVars)
LogPlayLevel: at AutomationTool.UE4Build.BuildWithUBT(String ProjectName, String TargetName, UnrealTargetPlatform TargetPlatform, String Config, String UprojectPath, Boolean ForceMonolithic, Boolean ForceNonUnity, Boolean ForceDebugInfo, Boolean ForceFlushMac, Boolean DisableXGE, String InAddArgs, Boolean ForceUnity, Dictionary2 EnvVars) LogPlayLevel: at AutomationTool.UE4Build.Build(BuildAgenda Agenda, Nullable1 InDeleteBuildProducts, Boolean InUpdateVersionFiles, Boolean InForceNoXGE, Boolean InUseParallelExecutor, Boolean InForceNonUnity, Boolean InForceUnity, Boolean InShowProgress, Dictionary2 PlatformEnvVars) LogPlayLevel: at Project.Build(BuildCommand Command, ProjectParams Params, Int32 WorkingCL) LogPlayLevel: at BuildCookRun.DoBuildCookRun(ProjectParams Params) LogPlayLevel: at BuildCommand.Execute() LogPlayLevel: at AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands) LogPlayLevel: at AutomationTool.Automation.Process(String] CommandLine) LogPlayLevel: at AutomationTool.Program.MainProc(Object Param) LogPlayLevel: at AutomationTool.InternalUtils.RunSingleInstance(Action1 Main, Object Param)
LogPlayLevel: at AutomationTool.Program.Main()
LogPlayLevel: ProcessManager.KillAll: Trying to kill 0 spawned processes.
LogPlayLevel: Program.Main: AutomationTool exiting with ExitCode=5
LogPlayLevel: Domain_ProcessExit
LogPlayLevel: copying UAT log files…
LogPlayLevel: RunUAT.bat ERROR: AutomationTool was unable to run successfully.
LogPlayLevel: Completed Launch On Stage: Build Task, Time: 69.378813
LogPlayLevel: BUILD FAILED
PackagingResults:Error: Error Launch failed! Unknown Error