Golf 184 released

• New "array" type has been added. This is a string array with a number key, ranging from 0 to the array's maximum size. Note that Golf array is flexible: you do not need to specify the array size, rather only it maximum possible size. The actual memory allocated is nominal and will vary based on the data you store in the array. Arrays can also be purged to reduce their size back to the nominal. Statements included are new-array, read-array, write-array and purge-array.
• Renamed index type to reflect its structure, and now it's "tree". So the statements like new-index, read-index etc. are now new-tree, read-tree etc.
• Renamed set type to reflect its structure, and now it's "hash". So the statements like new-set, read-set etc. are now new-hash, read-hash etc.