Add descriptions

account.go

@@ -1,3 +1,5 @@
+/* Structs, data, functions, and methods for accounts and their information */
+
 package teal
 
 import (

client.go

@@ -1,3 +1,5 @@
+/* Client related stuff, and its library interfaces */
+
 package teal
 
 // Client represents the client used for making http requests, including the session if used.

upload.go

@@ -1,3 +1,5 @@
+/* Functions, methods and whatnot for uploading to pxl.blue */
+
 package teal
 
 import (