diff --git a/dose/__init__.py b/dose/__init__.py
index 08096fe..e57da6c 100644
--- a/dose/__init__.py
+++ b/dose/__init__.py
@@ -3,7 +3,7 @@
 
 Date created: 27th September 2013
 '''
-import metadata
+from . import metadata
 
 __version__ = metadata.version
 __maintainer__ = metadata.maintainer
@@ -11,45 +11,45 @@
 __description__ = metadata.long_description
 
 # Package imports (in ascending order of package names)
-import copads
+from . import copads
 
 # Module imports (in ascending order of module names)
-import database_calls
-import dose
-import genetic
-import register_machine
-import ragaraja
+from . import database_calls
+from . import dose
+from . import genetic
+from . import register_machine
+from . import ragaraja
 
 # COPADS Class imports (in ascending order of module names, then class names)
-from copads.lindenmayer import lindenmayer
+from .copads.lindenmayer import lindenmayer
 
 # DOSE Class imports (in ascending order of module names, then class names)
-from dose import dose_functions
-from dose_world import World
-from genetic import Chromosome
-from genetic import Organism
-from genetic import Population 
+from .dose import dose_functions
+from .dose_world import World
+from .genetic import Chromosome
+from .genetic import Organism
+from .genetic import Population 
 
 # Function imports (in ascending order of module names, then function names)
-from database_calls import connect_database
-from database_calls import db_list_datafields
-from database_calls import db_list_generations
-from database_calls import db_list_simulations
-from database_calls import db_list_population_name
-from database_calls import db_get_ecosystem
-from database_calls import db_get_organisms_chromosome_sequences
-from database_calls import db_get_organisms_genome
-from database_calls import db_get_organisms_status
-from dose import database_report_populations
-from dose import database_report_world
-from dose import filter_age
-from dose import filter_deme
-from dose import filter_gender
-from dose import filter_location
-from dose import filter_status
-from dose import filter_vitality
-from dose import revive_simulation
-from dose import simulate
-from genetic import crossover
-from genetic import population_constructor
-from genetic import population_simulate
+from .database_calls import connect_database
+from .database_calls import db_list_datafields
+from .database_calls import db_list_generations
+from .database_calls import db_list_simulations
+from .database_calls import db_list_population_name
+from .database_calls import db_get_ecosystem
+from .database_calls import db_get_organisms_chromosome_sequences
+from .database_calls import db_get_organisms_genome
+from .database_calls import db_get_organisms_status
+from .dose import database_report_populations
+from .dose import database_report_world
+from .dose import filter_age
+from .dose import filter_deme
+from .dose import filter_gender
+from .dose import filter_location
+from .dose import filter_status
+from .dose import filter_vitality
+from .dose import revive_simulation
+from .dose import simulate
+from .genetic import crossover
+from .genetic import population_constructor
+from .genetic import population_simulate
diff --git a/dose/dose.py b/dose/dose.py
index 5eae5eb..0449525 100644
--- a/dose/dose.py
+++ b/dose/dose.py
@@ -9,15 +9,15 @@
 '''
 import sys, os, random, inspect
 
-import ragaraja, register_machine
-import dose_world
-import genetic, simulation_calls
+from . import ragaraja, register_machine
+from . import dose_world
+from . import genetic, simulation_calls
 
-from simulation_calls import spawn_populations, simulation_core
-from simulation_calls import excavate_world, revive_population
+from .simulation_calls import spawn_populations, simulation_core
+from .simulation_calls import excavate_world, revive_population
 
-from database_calls import connect_database, db_reconstruct_simulation_parameters
-from database_calls import db_reconstruct_population, db_reconstruct_world, db_list_simulations
+from .database_calls import connect_database, db_reconstruct_simulation_parameters
+from .database_calls import db_reconstruct_population, db_reconstruct_world, db_list_simulations
 
 class dose_functions():
     '''
diff --git a/dose/lc_bf.py b/dose/lc_bf.py
index 2238640..2f386f8 100644
--- a/dose/lc_bf.py
+++ b/dose/lc_bf.py
@@ -22,7 +22,7 @@
 @see: http://esolangs.org/wiki/Loose_Circular_Brainfuck_(LCBF)
 '''
 
-import register_machine as r
+from . import register_machine as r
 
 def increment(array, apointer, inputdata, output, source, spointer):
     '''
diff --git a/dose/n_bf.py b/dose/n_bf.py
index d7c53df..c4dc2c6 100644
--- a/dose/n_bf.py
+++ b/dose/n_bf.py
@@ -23,8 +23,8 @@
 '''
 
 import random
-import register_machine as r
-from lc_bf import increment, decrement, forward, backward, call_out
+from . import register_machine as r
+from .lc_bf import increment, decrement, forward, backward, call_out
 
 def random_op(array, apointer, inputdata, output, source, spointer):
     '''
diff --git a/dose/ragaraja.py b/dose/ragaraja.py
index c19724a..0bbe1f0 100644
--- a/dose/ragaraja.py
+++ b/dose/ragaraja.py
@@ -39,10 +39,10 @@
 '''
 import random
 import math
-from copads.samplestatistics import SingleSample
-from lc_bf import increment, decrement
-from lc_bf import forward, backward
-from lc_bf import call_out, accept_predefined
+from .copads.samplestatistics import SingleSample
+from .lc_bf import increment, decrement
+from .lc_bf import forward, backward
+from .lc_bf import call_out, accept_predefined
 
 register = [0]*99
 
diff --git a/dose/simulation_calls.py b/dose/simulation_calls.py
index 0de9332..71f8e6d 100644
--- a/dose/simulation_calls.py
+++ b/dose/simulation_calls.py
@@ -20,12 +20,12 @@
 except ImportError:
     import pickle
 
-import dose_world
-import genetic
-import ragaraja, register_machine
+from . import dose_world
+from . import genetic
+from . import ragaraja, register_machine
 
-from database_calls import connect_database, db_log_simulation_parameters
-from database_calls import db_report
+from .database_calls import connect_database, db_log_simulation_parameters
+from .database_calls import db_report
 
 def simulation_core(sim_functions, sim_parameters, Populations, World):
     '''