• add tests for fetch error scenarios including invalid URL and interrupted IO
• refactor gzip compression and decompression logic; remove S receiver dependency
• add comprehensive tests for server response handling and gzip compression
• add examples for setting follow and URL rules; update README with usage instructions

• trim whitespace from input before parsing timestamps
• add tests for lastModTime XML unmarshaling

normalize URL locations by trimming whitespace

trim whitespace from sitemap URLs before appending

enhance datetime parsing with support for multiple formats

• refine error handling and parsing logic
• refactor XML decoding to support charset handling

refactor recursive URL parsing

add support for follow and rules regex configurations

add support for multi-threading toggle

add mutex to synchronize access in Parse method