Manages the argparse module to parse user command line arguments.
    |  | SPACE_GROUP = Nonehash(x)
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    |  | A_PARAM = Nonehash(x)
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    |  | B_PARAM = Nonehash(x)
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    |  | C_PARAM = Nonehash(x)
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    |  | ALPHA_PARAM = Nonehash(x)
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    |  | BETA_PARAM = Nonehash(x)
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    |  | GAMMA_PARAM = Nonehash(x)
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    |  | MIN_ANGLE = 0.0 | 
    |  | MAX_ANGLE = 180.0 | 
    |  | NCELLA = 1 | 
    |  | NCELLB = 1 | 
    |  | NCELLC = 1 | 
    |  | ORIGIN = [0.0, 0.0, 0.0] | 
    |  | BONDING_THRESHOLD = 100 | 
    |  | BOND_ORDERS_THRESHOLD = 100 | 
    |  | CHOICE_ON = 'on' | 
    |  | CHOICE_OFF = 'off' | 
    |  | CHOICE_NONE = 'none' | 
    |  | BONDING_CHOICES = ['on', 'off', 'none'] | 
    |  | BONDING_DEFAULT = 'none' | 
    |  | BOND_ORDERS_CHOICES = ['on', 'off', 'none'] | 
    |  | BOND_ORDERS_DEFAULT = 'none' | 
    |  | TRANSLATE_CHOICES = ['on', 'off', 'none'] | 
    |  | TRANSLATE_DEFAULT = 'none' | 
    |  | ATOMS = 'atoms' | 
    |  | MOLECULES = 'molecules' | 
    |  | TRANSLATE_TYPE_CHOICES = ['atoms', 'molecules'] | 
    |  | TRANSLATE_TYPE_DEFAULT = 'atoms' | 
    |  | COV_MIN = 0.4 | 
    |  | COV_OFFSET = 0.45 | 
    |  | COV_FACTOR = 1.0 | 
    |  | PRINT_INFO = Falsehash(x)
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    |  | NO_PBC_BONDING = Falsehash(x)
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    |  | PBC_BONDING = Truehash(x)
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