LOAD path dump → Load a database from a file (available since 0.1)
SET key value → Set the string value of a key (available since 0.1)
GET key → Get the value of a key (available since 0.1)
GETALL → Return a list of all keys in database (available since 0.4)
REM key → Delete a key (available since 0.1)
APPEND key more → Add more to a key's value (available since 0.1.3)
LCREATE name → Create a list (available since 0.1)
LADD name value → Add a value to a list (available since 0.1)
LGETALL name → Return all values in a list (available since 0.1)
LEXTEND name seq → Extend a list with a sequence (available since 0.6)
LGET name pos → Return one value in a list (available since 0.1)
LREM name → Remove a list and all of its values (available since 0.1)
LPOP name pos → Remove one value in a list (available since 0.1)
LLEN name → Return the length of a list (available since 0.6)
LAPPEND name pos more → Add more to a value in a list (available since 0.1.3)
DCREATE name → Create a dict (available since 0.2.2)
DADD name pair → Add a key-value pair to a dict, "pair" is a tuple (available since 0.2.2)
DGETALL name → Return all key-value pairs from a dict (available since 0.2.2)
DGET name key → Return the value for a key in a dict (available since 0.2.2)
DKEYS name → Return all the keys for a dict (available since 0.6)
DVALS name → Return all the values for a dict (available) since 0.6)
DEXISTS name key → Determine if a key exists (available since 0.6)
DREM name → Remove a dict and all of its pairs (available since 0.2.2)
DPOP name key → Remove one key-value in a dict (available since 0.2.2)
DELDB → Delete everything from the database (available since 0.2.1)
DUMP → Save the database from memory to a file specified in LOAD (available since 0.3)
If you would like to suggest a command, you can create an issue on Bitbucket.