Fixed what I believe is a typo in SSID handling during packet creation.

library.properties

@@ -1,5 +1,5 @@
 name=HamShield_KISS
-version=1.0.5
+version=1.0.4
 author=Morgan Redfield <morgan@enhancedradio.com>, Casey Halverson <casey@enhancedradio.com>
 maintainer=Morgan Redfield <morgan@enhancedradio.com>
 sentence=A library for use with HamShield by Enhanced Radio Devices. 

src/KISS.cpp

@@ -2,7 +2,6 @@
 #include "packet.h"
 #include "KISS.h"
 
-
 //AFSK::Packet kissPacket;
 bool inFrame = false;
 uint8_t kissBuffer[PACKET_MAX_LEN];
@@ -77,7 +76,7 @@ void KISS::writePacket(AFSK::Packet *p) {
   io->write(KISS_FEND);
   io->write((uint8_t)0); // Host to TNC port identifier
   for(i = 0; i < p->len-2; i++) {
-    unsigned char c = p->getByte(i);
+    char c = p->getByte(i);
     if(c == KISS_FEND || c == KISS_FESC) {
       io->write(KISS_FESC);
       io->write((c==KISS_FEND?KISS_TFEND:KISS_TFESC));

src/packet.cpp

@@ -537,7 +537,7 @@ size_t AFSK::Packet::appendCallsign(const char *callsign, uint8_t ssid, bool fin
   if(final) {
     ssidField |= 0b01100001;
   } else {
-    ssidField |= 0b11100000;
+    ssidField |= 0b01100000;
   }
   appendFCS(ssidField);
 }