Move range to data package and finalize its getters.

src/main/java/azgracompress/cli/ParseUtils.java

 package azgracompress.cli;
 
-import azgracompress.compression.Range;
+import azgracompress.data.Range;
 import azgracompress.data.V2i;
 import azgracompress.data.V3i;
 

src/main/java/azgracompress/cli/ParsedCliOptions.java

@@ -3,7 +3,7 @@ package azgracompress.cli;
 import azgracompress.ScifioWrapper;
 import azgracompress.compression.CompressionOptions;
 import azgracompress.compression.CompressorDecompressorBase;
-import azgracompress.compression.Range;
+import azgracompress.data.Range;
 import azgracompress.data.V2i;
 import azgracompress.data.V3i;
 import azgracompress.fileformat.FileExtensions;

src/main/java/azgracompress/compression/ImageCompressor.java

 package azgracompress.compression;
 
 import azgracompress.compression.exception.ImageCompressionException;
+import azgracompress.data.Range;
 import azgracompress.fileformat.QCMPFileHeader;
 
 import java.io.*;

src/main/java/azgracompress/compression/Range.java → src/main/java/azgracompress/data/Range.java

-package azgracompress.compression;
+package azgracompress.data;
 
-public class Range<T extends Comparable<T>> {
+public final class Range<T extends Comparable<T>> {
     /**
      * Start of the interval.
      */
@@ -13,6 +13,7 @@ public class Range<T extends Comparable<T>> {
 
     /**
      * Construct interval with inclusive end.
+     *
      * @param from Start of the interval,
      * @param to   Inclusive end of the interval.
      */
@@ -23,17 +24,19 @@ public class Range<T extends Comparable<T>> {
 
     /**
      * Get start of the interval.
+     *
      * @return Start of the interval.
      */
-    public T getFrom() {
+    public final T getFrom() {
         return from;
     }
 
     /**
      * Get inclusive end of the interval.
+     *
      * @return Inclusive end of the interval.
      */
-    public T getInclusiveTo() {
+    public final T getInclusiveTo() {
         return to;
     }
 }

src/main/java/azgracompress/io/InputData.java

 package azgracompress.io;
 
-import azgracompress.compression.Range;
+import azgracompress.data.Range;
 import azgracompress.data.V3i;
 
 /**