Fix text splitter by dealing with empty tokens #199
Merged
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When a text has a lot of empty spaces, e.g. "hello world", the separator splits the intermediate spaces into empty strings, which were counted as 0 when tokenized by itself. However when counted as part of the overall text e.g. "hello world", it would count as its own token (this example would have three tokens, not two tokens unlike "hello world").
Need to deal with this edge case. Hopefully this should resolve tokenization issues.
Closes #195