change version to 0.8.2

fix to allow integer as input for feature_to_plot and number_components

Author: grlloyd

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: structToolbox
 Type: Package
 Title: Some tools bult using the struct package
-Version: 0.8.1
+Version: 0.8.2
 Author: Gavin Rhys Lloyd
 Maintainer: Gavin Rhys Lloyd <[email protected]>
 Description: Extends the class templates provided by the struct package to provide methods for training PCA, PLS models with cross-validation, permutation testing etc.