Fix bulk delete

Author: matteobortolazzo

src/CouchDB.Driver/CouchDatabase.cs

@@ -322,7 +322,7 @@ await UpdateAttachments(document, cancellationToken)
         /// <inheritdoc />
         public Task DeleteRangeAsync(IEnumerable<TSource> documents, CancellationToken cancellationToken = default)
         {
-            DocumentId[] docIds = documents.Cast<DocumentId>().ToArray();
+            DocumentId[] docIds = documents.Select(doc => (DocumentId)doc).ToArray();
             return DeleteRangeAsync(docIds, cancellationToken);
         }
 

src/CouchDB.Driver/Types/DocumentId.cs

@@ -19,7 +19,7 @@ public DocumentId(CouchDocument document)
     public string Id { get; }
     public string Rev { get; }
 
-    public static implicit operator DocumentId(CouchDocument documentId)
+    public static explicit operator DocumentId(CouchDocument documentId)
     {
         return new DocumentId(documentId.Id,  documentId.Rev);
     }

src/azure-pipelines.yaml

@@ -14,9 +14,6 @@ trigger:
     - azure-pipelines.yml
 
 pr:
-  branches:
-    include:
-    - master
   paths:
     exclude:
     - README.md

tests/CouchDB.Driver.UnitTests/Database_Tests.cs

@@ -374,7 +374,7 @@ public async Task DeleteRange()
             var moreRebels = new[] {
                 new Rebel { Name = "Luke", Id = "1" },
                 new Rebel { Name = "Leia", Id = "2" }
-            }.Cast<DocumentId>().ToArray();
+            }.Select(doc => (DocumentId)doc).ToArray();
             await _rebels.DeleteRangeAsync(moreRebels);
             httpTest
                 .ShouldHaveCalled("http://localhost/rebels/_bulk_docs")