Adds nullability annotations for all methods
Fixes some nullability problems and inconsistencies
Gets rid of RelativeBlockVector's inner class
Changes RelativeBlockVector to a record
Simplifies FromTheEndTeleportation's storage, and makes it into a minimal record
Removes the putStringInList method
Gets rid of some primitive list usage
Fixes some incorrect method accessibility
Removes some redundancy in PortalOption
Adds code for getting inverted colors if "inverted" is given as the per-sign color
Fixes exceptions thrown when the per-sign config value is malformed
Changes the default to use inverted colors for crimson, dark_oak, spruce and warped signs
Adds methods to get main and highlighting colors from the portal sign drawer in case the given default colors are invalid and fallback colors are necessary instead
Adds a ConfigTag class for helping to decide the action necessary for updating a given config option
Splits the color setting in PortalSignDrawer as only one color is set at a time when the /config command is used
Updates the configOptions map when a config option is changed
Makes all characters used for highlighting/marking use the highlighting color
Adds a new config option for highlighting color
Renames signColor to mainSignColor and adds the change to the config-migrations.txt file
Adds methods to Stargate for easier logging and less redundancy
Loads the language loader in two parts to make it available while loading
Adds a translated string to the reload-message
Uses String.format to make long messages more readable
Makes it possible to get strings directly from the backup language to make debugging easier
Renames EconomyHandler to EconomyConfig and puts it in the new config package
Moves the LanguageLoader to the config package
Fixes the explanation of chargeFreeDestination in the README
