GFisher 0.3.0

GFisher 0.3.0

Initial public release.

• Omnibus generalized Fisher's combination tests (oGFisher) that adapt the
  weights and degrees of freedom to the data, alongside the base GFisher family
  (Fisher's combination, Good's, Lancaster's, weighted-Z).
• Accurate p-value calculation under dependence via moment-ratio matching and
  joint-distribution approximations (methods HYB, MR, GB).
• High-performance C++ (RcppArmadillo) implementations with a three-tier
  fallback (cached C++ -> non-cached C++ -> pure R) verified to agree.
• Fast *_ind paths for independent inputs via the optional coga package,
  with check_coga() to detect/install it.