Merge pull request #191 from MineRobber9000/fix190

Prevent accidental discard of line content during file.readLines

MiniScript-cpp/src/ShellIntrinsics.cpp

@@ -749,7 +749,7 @@ static IntrinsicResult intrinsic_readLines(Context *context, IntrinsicResult par
 			}
 		}
 		if (lineStart < bytesRead) {
-			partialLine = String(&buf[lineStart], bytesRead - lineStart);
+			partialLine += String(&buf[lineStart], bytesRead - lineStart);
 		}
 	}
 	if (!partialLine.empty()) list.Add(partialLine);