Release 1.2.0

fixed issue with slugify on some systems

0.3.8

0.3.8: guarantee set order in clone properties

0.3.6

• Added JsonWriter class

0.3.5

• Added String::oneLiner()
• Modified String::mostSimilar() to use similar_text() instead of
  levenshtein()
• Modified String::translit() to accept non-string scalars