Add numpy wrappers for char[] and std::array<char>
diff --git a/example/example20.ref b/example/example20.ref
index 72a6c18..4f07ce4 100644
--- a/example/example20.ref
+++ b/example/example20.ref
@@ -3,11 +3,13 @@
T{=T{=?:x:3x=I:y:=f:z:}:a:=T{=?:x:=I:y:=f:z:}:b:}
T{=?:x:3x=I:y:=f:z:12x}
T{8x=T{=?:x:3x=I:y:=f:z:12x}:a:8x}
+T{=3s:a:=3s:b:}
{'names':['x','y','z'], 'formats':['?','<u4','<f4'], 'offsets':[0,4,8], 'itemsize':12}
[('x', '?'), ('y', '<u4'), ('z', '<f4')]
[('a', {'names':['x','y','z'], 'formats':['?','<u4','<f4'], 'offsets':[0,4,8], 'itemsize':12}), ('b', [('x', '?'), ('y', '<u4'), ('z', '<f4')])]
{'names':['x','y','z'], 'formats':['?','<u4','<f4'], 'offsets':[0,4,8], 'itemsize':24}
{'names':['a'], 'formats':[{'names':['x','y','z'], 'formats':['?','<u4','<f4'], 'offsets':[0,4,8], 'itemsize':24}], 'offsets':[8], 'itemsize':40}
+[('a', 'S3'), ('b', 'S3')]
s:0,0,0
s:1,1,1.5
s:0,2,3
@@ -18,4 +20,9 @@
{'names':['a'], 'formats':[{'names':['x','y','z'], 'formats':['?','<u4','<f4'], 'offsets':[0,4,8], 'itemsize':24}], 'offsets':[8], 'itemsize':40}
n:a=s:0,0,0;b=p:1,1,1.5
n:a=s:1,1,1.5;b=p:0,2,3
-n:a=s:0,2,3;b=p:1,3,4.5
\ No newline at end of file
+n:a=s:0,2,3;b=p:1,3,4.5
+[('a', 'S3'), ('b', 'S3')]
+a='',b=''
+a='a',b='a'
+a='ab',b='ab'
+a='abc',b='abc'