Merge pull request #134 from project-eutopia/update_to_version_0_9_2

Update to version 0.9.2

Merge pull request #131 from project-eutopia/update_to_version_0_9_1

Update version to 0.9.1

Merge pull request #122 from project-eutopia/version_0_9_0

Update to version 0.9.0

Merge pull request #118 from project-eutopia/fix_boolean_checks_when_…

…embedded_in_a_cell

Fix boolean checks when embedded in a cell

Merge pull request #117 from project-eutopia/fix_handling_of_constant…

…s_in_expressions

Fix handling of constants in expressions

Merge pull request #116 from project-eutopia/multiple_assigment

Multiple assignment

Merge pull request #115 from project-eutopia/allow_access_to_frozen_l…

…ists_and_hashes

Allow access to frozen lists and hashes

Merge pull request #114 from project-eutopia/reduce_rationals_to_inte…

…gers_if_possible

If Rational denominator 1, convert to Integer

Merge pull request #113 from project-eutopia/traverse_method

Traverse method

Merge pull request #110 from project-eutopia/add_set_random_method_to…

…_context

Add set random method to context