ReplacementInputStream classes override read() but not read(byte[],int,int) from FilterInputStream

The 'ReplacementInputStream' classes forming part of Swizzle Stream (for example, DelimitedTokenReplacementInputStream, FixedTokenListReplacementInputStream, and FixedTokenReplacementInputStream) all are subclasses of FilterInputStream.

However, they only seem to override the "int read()" single-byte read method, and do NOT seem to override the "int read(byte[] buf,int off,int len)" method from FilterInputStream.

The end result is that if:
a. You don't use the byte-by-byte read method, OR
b. You wrap this in nearly any other FilterInputStream (which generally do not use the byte-by-byte read method).
then the ReplacementInputStream will appear to have no effect at all.

The solution to this is to properly override the "int read(byte[] buf,int off,int len)".

I've attached a patch ("swizzle-fix-read-bug.patch") which includes a 'fix' for this problem, but is likely not the most efficient way to manage things.

What this patch does is:
a. Change each affected class to extend "_FixFilterInputStream" instead of "FilterInputStream".
b. Create a "int read(byte[] buf,int off,int len)" in "_FixFilterInputStream" that calls the "int read()" method iteratively to fulfill the request.

As I've said, this is not the best or most efficient solution to the problem, but it is a pretty non-invasive solution.