Fix folding when perl_no_subprototype_error is on
Remove repeated code in basic test
More cleanup of basic test
Allow testing of single files from basic test
Properly highlight hash slices

Fixes GH # 163
Fix test results for postfix dereference
Fix other forms of postfix dereference

Fixes GH #162
Merge branch 'master' of https://github.com/vim-perl/vim-perl

# By Rob Hoelz
# Via Rob Hoelz
* 'master' of https://github.com/vim-perl/vim-perl:
  Fix other forms of postfix dereference
  Fix test results for postfix dereference
  Properly highlight hash slices
  Allow testing of single files from basic test
  More cleanup of basic test
  Remove repeated code in basic test
  Fix folding when perl_no_subprototype_error is on