changed test_data folder to test-data
changed database_calls.prepare_database() to database_calls.connect_database()
allows database_calls.connect_database() function to connect to logging database using file path or simulation parameters
changed simulation parameters "cells" to "tape_length"
reconstruct simulation parameters from database log
Merge branch 'master' of https://github.com/clarencecastillo/dose

# By Clarence Castillo
# Via Clarence Castillo (1) and clarencecastillo (1)
* 'master' of https://github.com/clarencecastillo/dose:
  Split deploy functions in simulation_calls.deploy() into separate functions
"tape_length" in simulation parameters is now "max_tape_length"
"tape_length" in simulation parameters is now "max_tape_length"