readme: add links for talks and asciinema

condition: fix bug when use some operators

condition: fix bug when use a variable in condition

Merge pull request #12 from macabeus/ifblock

dead-code-strip: small improved readability

postfix-if: fix to optimize and analysis the block at postfix if

language: add support to 'if' block

optimization: refactor to better readability

optimization-helper: refactor AST cleaning

dead-code-strip: refactor to use SymbolsTable module

Merge pull request #11 from macabeus/validate-special-variable

semantic-analysis: raise error if try to write in a special variable

struct: rename folder "Validates" to "validates"

Merge pull request #10 from macabeus/fail-test

test: add semantic analysis warning