0.52.0

• Added redundantInternal rule to remove redundant internal access modifiers
• Added sortTypealiases rule to sort typealias types alphabetically
• Added headerFileName rule to ensure filename in header comment matches actual file
• Added redundantStaticSelf rule to remove redundant self inside static functions
• Added blankLinesBetweenChainedFunctions rule to remove blank lines inside function chains
• Added applicationMain rule to remove obsolete @UIApplicationMain and @NSApplicationMain attributes
• Renamed sortedSwitchCases rule to sortSwitchCases for consistency
• Renamed sortedImports rule to sortImports for consistency
• Redundant return is now correctly removed in switch cases with associated values
• Fixed failure to terminate when removing returns from long switch statement
• Fixed spurious "unexpected static" error in redundantSelf rule
• Deliberate blank line before else statement is now preserved
• Rule options are now case-insensitive