CASUAL r1137-it simply doesn't work on macos

[DEBUG]Diagnostics OS:Mac OS X Version:10.12.5 Architecture:x86_64 Separator:/ | Java:Oracle Corporation Version:1.8.0_111 Website:http://java.oracle.com/ | WorkingDir: /Users/fabio CASUALDir:/var/folders/tq/3qk2m1kd3b3grfqf_gzygj7c0000gn/T/CASUALfabio-2017-05-25-23.19.43/ | CASUAL is handling this system as:Mac 64 bit -- End Diag
[DEBUG]native search /usr/local/bin/heimdall:true
[VERBOSE]Starting: mode:Heimdall
Connected:false

[DEBUG]Beginning MandatoryThread counter.casual-dev.com
[INTERACTION][SHOWYESNO] Title:Do you want me to obtain a PIT for you?
Message:This application requires what is known as a` 'PIT file'.  The PIT file tells the application where to place files on your device.  If you don't have a PIT file, we can obtain one from your device
press:

[VERBOSE]showing information message object
[INTERACTION][SHOWINFORMATION] Title:We can't continue without a PIT
Message:We cannot continue without a PIT file.  Please select one or let CASUAL do it for you.
press: Empty

[VERBOSE]Done with message object
[INTERACTION][SHOWYESNO] Title:Do you want me to obtain a PIT for you?
Message:This application requires what is known as a` 'PIT file'.  The PIT file tells the application where to place files on your device.  If you don't have a PIT file, we can obtain one from your device
press:

[VERBOSE]obtaining pit
[VERBOSE]showing information message object
[INTERACTION][SHOWINFORMATION] Title:You will need to restart your device in Download Mode.
Message:In order to obtain a PIT file, the device will be rebooted.  Once it reboots, you will need to put it back into download mode.\\n\\nPro-Tip: hold the download mode combination and press OK to dismiss this dislog to reboot into download mode immediately
press: Empty

[VERBOSE]Done with message object
[ERROR]ANALYSIS DETECTED ERROR: Device not in download mode or cable is borked.
[VERBOSE]Did not find pit
[INTERACTION][SHOWERROR] Title:Could not obtain pit.
Message:We could not obtain the pit file. We tried, but it didn't work.
press: Empty

[DEBUG][TRANSLATION][English]@interactionPastebinError
[INTERACTION][TEXTINPUT] Title:Error Submission System.
Message:We will submit your log to the CASUAL-Automated Pastebin.  Developers can take a look at it to figure out what's going on.\\n\\nPlease enter your XDA-Developers username in the area below, then click 'Ok'.
press: Any String

[ERROR][CRITICAL]Server returned HTTP response code: 503 for URL: http://counter.casual-dev.com/?JODIN3CASUALwoot
Server returned HTTP response code: 503 for URL: http://counter.casual-dev.com/?JODIN3CASUALwoot
java.io.IOException: Server returned HTTP response code: 503 for URL: http://counter.casual-dev.com/?JODIN3CASUALwoot

java.io.IOException: Server returned HTTP response code: 503 for URL: http://counter.casual-dev.com/?JODIN3CASUALwoot
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1876)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474)
	at java.net.URL.openStream(URL.java:1045)
	at CASUAL.network.CASUALDevIntegration.CasualDevCounter$1.run(CasualDevCounter.java:54)
	at java.lang.Thread.run(Thread.java:745)

[DEBUG][TRANSLATION][English]@criticalError
[ERROR]A critical error was encountered.  Please report this issue with a log.
[DEBUG]Pastebin Login Successful