Bug - Fixed issue with Pager when GitLab returns -1 for total-items. (#347)

* Fixed issue caused by the GitLab server returning -1 for total items (#346).

README.md

@@ -12,7 +12,7 @@ To utilize GitLab4J™ API in your Java project, simply add the following de
 ```java
 dependencies {
     ...
-    compile group: 'org.gitlab4j', name: 'gitlab4j-api', version: '4.10.12'
+    compile group: 'org.gitlab4j', name: 'gitlab4j-api', version: '4.10.14'
 }
 ```
 
@@ -23,7 +23,7 @@ dependencies {
 <dependency>
     <groupId>org.gitlab4j</groupId>
     <artifactId>gitlab4j-api</artifactId>
-    <version>4.10.12</version>
+    <version>4.10.14</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
 	<groupId>org.gitlab4j</groupId>
 	<artifactId>gitlab4j-api</artifactId>
 	<packaging>jar</packaging>
-	<version>4.10.13-SNAPSHOT</version>
+	<version>4.10.14-SNAPSHOT</version>
 	<name>GitLab4J-API - GitLab API Java Client</name>
 	<description>GitLab4J-API (gitlab4j-api) provides a full featured Java client library for working with GitLab repositories and servers via the GitLab REST API.</description>
 	<url>https://github.com/gitlab4j/gitlab4j-api</url>

src/main/java/org/gitlab4j/api/Pager.java

@@ -343,17 +343,17 @@ public class Pager<T> implements Iterator<List<T>>, Constants {
      */
     public List<T> all() throws GitLabApiException {
 
-    	// Make sure that current page is 0, this will ensure the whole list is fetched
-    	// regardless of what page the instance is currently on.
-    	currentPage = 0;
-    	List<T> allItems = new ArrayList<>(totalItems);
-
-    	// Iterate through the pages and append each page of items to the list
-    	while (hasNext()) {
-    		allItems.addAll(next());
-    	}
+        // Make sure that current page is 0, this will ensure the whole list is fetched
+        // regardless of what page the instance is currently on.
+        currentPage = 0;
+        List<T> allItems = new ArrayList<>(Math.max(totalItems, 0));
+
+        // Iterate through the pages and append each page of items to the list
+        while (hasNext()) {
+            allItems.addAll(next());
+        }
 
-    	return (allItems);
+        return (allItems);
     }
 
     /**