Changes in version 1.3.1 (2026-08-24)
+ Breaking change: removed own_contri from analyzeLipidRegion(); self-
  contribution is now fixed at 0.5.
+ Breaking change: analyzeLipidRegion() now requires exactly 2 groups.
+ Added regionalTestFC(): region-level paired t-test and fold-change for
  the Increase/Decrease regions.
+ plotRegion1D()/plotRegion2D() now use regionalTestFC() to decide coloring
  when both directions have >5 significant features; new regional_p_cutoff
  argument (default 0.05) controls this.

Changes in version 1.3.0
+ Removed the dependency on the MKmisc package.
+ Updated RoxygenNote from 7.3.2 to 7.3.3.

Changes in version 0.99.0 (2025-02-25)
+ Submitted to Bioconductor
