Merge pull request #293 from erichare/fix-off-by-one

fix: Properly slice the line between backslashes

Author: erichare

src/main/java/com/dtsx/astra/cli/commands/db/cqlsh/CqlshStartImpl.java

@@ -105,7 +105,7 @@ private String readStdin() {
 
             while ((line = reader.readLine()) != null) {
                 if (line.trim().endsWith("\\")) {
-                    sb.append(line, 0, line.lastIndexOf('\\') - 1); // TODO this should not be -1
+                    sb.append(line.substring(0, line.lastIndexOf('\\')).stripTrailing());
                     sb.append(NL);
                 } else {
                     sb.append(line);