My minecraft won't start up. Here's the log:
Launcher started...
Getting syncinfo for selected version
Queueing downloads
Launching game
Launching!
/Users/Jamie/Library/Application Support/minecraft
Running: /Library/Java/JavaVirtualMachines/1.6.0_43-b01-447.jdk/Contents/Home/bin/java -Xdock:icon=assets/icons/icon_32x32.png -Xdock:name=Minecraft -Xmx1G "-Djava.library.path=/Users/Jamie/Library/Application Support/minecraft/versions/13w16a/13w16a-natives" -cp "/Users/Jamie/Library/Application Support/minecraft/libraries/net/sf/jopt-simple/jopt-simple/4.4/jopt-simple-4.4.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl/2.9.0-nightly-20130418/lwjgl-2.9.0-nightly-20130418.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl_util/2.8.5/lwjgl_util-2.8.5.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/argo/argo/2.25_fixed/argo-2.25_fixed.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/org/bouncycastle/bcprov-jdk15on/1.47/bcprov-jdk15on-1.47.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/com/google/guava/guava/14.0/guava-14.0.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/org/apache/commons/commons-lang3/3.1/commons-lang3-3.1.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar:/Users/Jamie/Library/Application Support/minecraft/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar:/Users/Jamie/Library/Application Support/minecraft/versions/13w16a/13w16a.jar" net.minecraft.client.main.Main --username qwertyjl --session e1b655c531952f0564c17a3144627a426c18756d
---- YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----
---- YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----
---- YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----
---- (We'll do this automatically later ;D) ----
Client> 249 recipes
Client> 27 achievements
Client> 2013-04-19 15:40:27 [CLIENT] [INFO] Setting user: qwertyjl
Client> 2013-04-19 15:40:27 [CLIENT] [INFO] (Session ID is e1b655c531952f0564c17a3144627a426c18756d)
Client> 2013-04-19 15:40:28 [CLIENT] [INFO] LWJGL Version: 2.9.0
Client>
Client> Starting up SoundSystem...
Client> Initializing LWJGL OpenAL
Client> (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
Client> OpenAL initialized.
Client>
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/furnace_front_lit.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/lava.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/lava_flow.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/water.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/water_flow.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/fire_0.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/fire_1.txt
Client> 2013-04-19 15:40:32 [CLIENT] [INFO] Found animation info for: textures/blocks/portal.txt
Client> 2013-04-19 15:40:33 [CLIENT] [INFO] Found animation info for: textures/items/fireball.txt
Client> 2013-04-19 15:40:33 [CLIENT] [INFO] Found animation info for: textures/items/clock.txt
Client> 2013-04-19 15:40:33 [CLIENT] [INFO] Found animation info for: textures/items/compass.txt
Client> java.lang.NullPointerException
Client> at java.io.Reader.<init>(Reader.java:61)
Client> at java.io.InputStreamReader.<init>(InputStreamReader.java:80)
Client> at br.a(SourceFile:65)
Client> at br.a(SourceFile:101)
Client> at asm.K(SourceFile:303)
Client> at asm.c(SourceFile:503)
Client> at net.minecraft.client.main.Main.main(SourceFile:78)
Client> b@646d6aa0