synchronized Version getVersion(int version) throws IOException {
		validate();
		if (version >= minVersion && version < curVersion) {
			return versions[version - minVersion];
		}
		return null;
	}
Return specific version.
@param version item version
@return version object or null if not found
@throws IOException if an IO error occurs.
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/HistoryManager.java