v0.8.0

• Adding the stemmers/s-stemmer namespace.
• Adding the tokenizers/hyphenation/liang namespace.
• Adding the tokenizers/lines/naive namespace.
• Adding the tokenizers/paragraphs/naive namespace.
• Adding the tokenizers/syllables/legalipy namespace.
• Adding the tokenizers/tweets/casual namespace.
• Adding the stats/frequencies#.updateFrequencies function.
• Adding polymorphism to the stats/frequencies#.relative function.