Bukkit

What steps will reproduce the problem?
1. Just loading the plugin in 1.7.10

What is the expected output? What do you see instead?

What version of the product are you using?

Do you have an error log of what happened?

[16:17:26] [Server thread/INFO]: [RealWeather] Enabling RealWeather v1.7.9
[16:17:26] [Server thread/INFO]: [RealWeather] Loading Configuration.
[16:17:26] [Server thread/INFO]: [RealWeather] Global configuration file     OK.
[16:17:26] [Server thread/INFO]: [RealWeather] Armor configuration file      OK.
[16:17:26] [Server thread/INFO]: [RealWeather] Language: English
[16:17:26] [Server thread/ERROR]: Error occurred while enabling RealWeather v1.7.9 (Is it up to date?)
java.lang.NoSuchMethodError: org.bukkit.Bukkit.getOnlinePlayers()[Lorg/bukkit/entity/Player;
    at org.creezo.realweather.feature.thirst.FThirst.onEnable(FThirst.java:34) ~[?:?]
    at org.creezo.realweather.feature.FeatureManager.enable(FeatureManager.java:99) ~[?:?]
    at org.creezo.realweather.RealWeather.onEnable(RealWeather.java:92) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) ~[JavaPlugin.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:368) [JavaPluginLoader.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:410) [SimplePluginManager.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
    at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.java:415) [CraftServer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
    at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.java:349) [CraftServer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
    at net.minecraft.server.MinecraftServer.func_71243_i(MinecraftServer.java:500) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:474) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:434) [MinecraftServer.class:?]
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:329) [lt.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:620) [MinecraftServer.class:?]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_25]

Please provide any additional information below.