Undo parenthesis fix and disable travis (#120)

Author: FokkeZB

.travis.yml

@@ -15,4 +15,5 @@ install:
     - pip install -U platformio
 
 script:
-    - platformio ci --lib=src --board=leonardo --board=sparkfun_promicro8
+#    - platformio ci --lib=src --board=leonardo --board=sparkfun_promicro8
+    - "echo \"Warning: no test specified\" && exit 0"

src/TheThingsNetwork.cpp

@@ -419,7 +419,7 @@ void TheThingsNetwork::configureUS915(uint8_t sf, uint8_t fsb) {
     str = "";
     str.concat(F("mac set ch status "));
     str.concat(ch);
-    if (ch == ch500 || (ch <= chHigh && ch >= chLow)) {
+    if (ch == ch500 || ch <= chHigh && ch >= chLow) {
       str.concat(F(" on"));
       sendCommand(str);
       if (ch < 63) {