Fix curly braces error.

1.8.3.9

Update Calculation.php

Fix curly braces error.

1.8.3.8

Update Calculation.php

Fix curly braces error.

1.8.3.7

Update Calculation.php

Comment out depreciated function call.

1.8.3.6

Update Settings.php

Comment out depreciated function call.

1.8.3.5

Update Settings.php

Fix missing string to int cast.

1.8.3.4

Update pclzip.lib.php

Fix curly braces error.

1.8.3.21

Update DefaultValueBinder.php

Fix curly braces error.

1.8.3.20

Update DefaultValueBinder.php

Fix curly braces error.

1.8.3.2

Update ReferenceHelper.php

Fix curly braces error.

1.8.3.19

Update Cell.php