db: Remove '+' for incoming message phone numbers.
receiver: Added more visible debug statement.
db: Added class for base128 encoding; encode works.
db: Wrote decode(); works on small inputs.
ui: Added debuging code that sends different encoded messages.
ui: Added test code in MainActivity for encoding.
receiver: Added debugging code for reading pdu.
db: Added debugging code for reading messages inserted.
db: Working implementation of encode and decode; only works for even multiples.
ui: Cleaned up code for sending sms.
ui: Cleaned up test code in MainActivity.
crypto: Added better handling for null messages in decrypt().
db: Added finalize() to MessageInserter; cleaned code.
Merge branch 'encode'