Fixed multi modular issues

Author: SanjayDevTech

build.gradle

@@ -9,9 +9,10 @@ plugins {
 
 allprojects {
     group = "com.github.SanjayDevTech.pexels-android"
-    version = '1.0.3'
+    version = '1.0.4'
 }
 
 tasks.register('clean', Delete) {
     delete rootProject.buildDir
-}
+}
+tasks.withType(Jar).configureEach { duplicatesStrategy = DuplicatesStrategy.EXCLUDE }

sample/build.gradle

@@ -9,7 +9,7 @@ static def getApiKey(){
         props.load(new FileInputStream(new File('secrets.properties')))
         return props['PEXELS_API_KEY']
     } catch(ignored) {
-        return ""
+        return "\"\""
     }
 }