boolean getNextEntry(long skipCount) throws IOException {
        currentEntry = currentEntry + skipCount + 1;
        return getEntry(currentEntry);
    }
Wrapper for a nested input stream.
<p>
You must call getNextEntry and closeEntry like the ZIP API.
stroom-data/stroom-data-store-impl-fs/src/main/java/stroom/data/store/impl/fs/RANestedInputStream.java