Modify convenience scripts to search for exe (#92)

Removes hardcoded output paths and selects the most recently compiled exe automatically

sesclient.ps1

@@ -2,7 +2,17 @@
 # Convenience Launcher for sesclient
 #
 
-$sesclient = "$PSScriptRoot\x64\Debug\sesclient.native.exe"
+# Find the latest version of sesclient.native.exe that was compiled
+# [This will automatically find the right version, even if someone does a release 
+# build or if the output path changes]
+$sesclient = get-childitem $PSScriptRoot\x64\sesclient.native.exe -recurse | sort-object LastWriteTimeUtc | select-object -last 1
+
+if ($sesclient -eq $null) 
+{
+    Write-Host "Could not find 'sesclient.native.exe' within $PSScriptRoot\x64" -ForegroundColor Red
+    Write-Host "Do you need to run a build?" -ForegroundColor Yellow
+    exit -1
+}
 
 # Uncomment this line to show which command is being run
 # Write-Output "Launching $sesclient $args"

sestest.ps1

@@ -2,7 +2,18 @@
 # Convenience Launcher for sestest
 #
 
-$sestest = "$PSScriptRoot\out\sestest\netcoreapp2.0\sestest.dll"
+# Find the latest version of sestest that was compiled
+# [This will automatically find the right version, even if someone does a release 
+# build or if the output path changes e.g. becuase it's no longer netcoreapp2.0]
+$sestest = get-childitem $PSScriptRoot\out\sestest.dll -recurse | sort-object LastWriteTimeUtc | select-object -last 1
+
+if ($sestest -eq $null) 
+{
+    Write-Host "Could not find 'sestest.dll' within $PSScriptRoot\out" -ForegroundColor Red
+    Write-Host "Do you need to run a build?" -ForegroundColor Yellow
+    exit -1
+}
+
 
 # Uncomment this line to show which exe is being run
 # Write-Output "Launching $sestest"