fix #26, show Hours field at duration if it is exactly 3600 seconds

app/build.gradle

@@ -41,7 +41,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.17.5'
+    implementation 'com.simplemobiletools:commons:3.17.6'
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
     implementation 'com.shawnlin:number-picker:2.4.6'

app/src/main/kotlin/com/simplemobiletools/clock/fragments/TimerFragment.kt

@@ -159,6 +159,7 @@ class TimerFragment : Fragment() {
     private fun updateDisplayedText(): Boolean {
         val diff = initialSecs - totalTicks
         var formattedDuration = Math.abs(diff).getFormattedDuration()
+
         if (diff < 0) {
             formattedDuration = "-$formattedDuration"
             if (!isForegrounded) {