FuzzyRandom 0.1.0

• Initial release.
• Level-wise representation of fuzzy numbers and samples of fuzzy random variables.
• Level-wise moments: expectation(), variance(), covariance(), correlation().
• Level-wise empirical distribution function fuzzy_ecdf().
• Level-wise goodness-of-fit via ks_test() (one-sample and two-sample).
• Fuzzy normal distribution fuzzy_normal(), level-wise CLT clt() and LLN lln().
• Simulation with rnorm_fuzzy().