Setting TINY_NUMBER to 1e-12 - important for TB
VERBOSE = 3
BIG_NUMBER = 1e10
-TINY_NUMBER = 1e-10
+TINY_NUMBER = 1e-12
MIN_LOG = -1e8 # minimal log value
MIN_BRANCH_LENGTH = 1e-3 # fraction of length 'one_mutation' that is used as lower cut-off for branch lengths in GTR
